net: Remove trailing whitespaces

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

15 files changed, 67 insertions, 67 deletions

diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
index 6fb562702..8dc14794d 100644
--- a/grub-core/net/bootp.c
+++ b/grub-core/net/bootp.c
@@ -416,7 +416,7 @@ grub_net_configure_by_dhcp_ack (const char *name,
   opt = find_dhcp_option (bp, size, GRUB_NET_BOOTP_EXTENSIONS_PATH, &opt_len);
   if (opt && opt_len)
     grub_env_set_net_property (name, "extensionspath", (const char *) opt, opt_len);
-  
+
   opt = find_dhcp_option (bp, size, GRUB_NET_BOOTP_CLIENT_ID, &opt_len);
   if (opt && opt_len)
     grub_env_set_net_property (name, "clientid", (const char *) opt, opt_len);
@@ -825,7 +825,7 @@ grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)),
 	return grub_errno;
       }
     ifaces[j].address.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_DHCP_RECV;
-    grub_memcpy (&ifaces[j].hwaddress, &card->default_address, 
+    grub_memcpy (&ifaces[j].hwaddress, &card->default_address,
 		 sizeof (ifaces[j].hwaddress));
     ifaces[j].dhcp_tmo = ifaces[j].dhcp_tmo_left = 1;
     j++;
diff --git a/grub-core/net/dns.c b/grub-core/net/dns.c
index 906ec7d67..27c5f4142 100644
--- a/grub-core/net/dns.c
+++ b/grub-core/net/dns.c
@@ -174,7 +174,7 @@ check_name_real (const grub_uint8_t *name_at, const grub_uint8_t *head,
 	}
       if (readable_ptr && grub_memcmp (ptr + 1, readable_ptr, *ptr) != 0)
 	return 0;
-      if (grub_memchr (ptr + 1, 0, *ptr) 
+      if (grub_memchr (ptr + 1, 0, *ptr)
 	  || grub_memchr (ptr + 1, '.', *ptr))
 	return 0;
       if (readable_ptr)
@@ -232,7 +232,7 @@ enum
     DNS_CLASS_AAAA = 28
   };
 
-static grub_err_t 
+static grub_err_t
 recv_hook (grub_net_udp_socket_t sock __attribute__ ((unused)),
 	   struct grub_net_buff *nb,
 	   void *data_)
@@ -261,7 +261,7 @@ recv_hook (grub_net_udp_socket_t sock __attribute__ ((unused)),
       grub_netbuff_free (nb);
       return GRUB_ERR_NONE;
     }
-  
+
   if (head->id != data->id)
     {
       grub_netbuff_free (nb);
@@ -615,7 +615,7 @@ grub_net_dns_lookup (const char *name,
   grub_netbuff_free (nb);
   for (j = 0; j < send_servers; j++)
     grub_net_udp_close (sockets[j]);
-  
+
   grub_free (sockets);
 
   if (*data.naddresses)
@@ -623,7 +623,7 @@ grub_net_dns_lookup (const char *name,
   if (data.dns_err)
     return grub_error (GRUB_ERR_NET_NO_DOMAIN,
 		       N_("no DNS record found"));
-    
+
   if (err)
     {
       grub_errno = err;
diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c
index 381c138db..24aabdab6 100644
--- a/grub-core/net/drivers/efi/efinet.c
+++ b/grub-core/net/drivers/efi/efinet.c
@@ -406,7 +406,7 @@ GRUB_MOD_FINI(efinet)
 {
   struct grub_net_card *card, *next;
 
-  FOR_NET_CARDS_SAFE (card, next) 
+  FOR_NET_CARDS_SAFE (card, next)
     if (card->driver == &efidriver)
       grub_net_card_unregister (card);
 }
diff --git a/grub-core/net/drivers/emu/emunet.c b/grub-core/net/drivers/emu/emunet.c
index b19492086..5f311d40f 100644
--- a/grub-core/net/drivers/emu/emunet.c
+++ b/grub-core/net/drivers/emu/emunet.c
@@ -25,21 +25,21 @@
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
-static grub_err_t 
+static grub_err_t
 send_card_buffer (struct grub_net_card *dev __attribute__ ((unused)),
 		  struct grub_net_buff *pack);
 
 static struct grub_net_buff *
 get_card_packet (struct grub_net_card *dev __attribute__ ((unused)));
 
-static struct grub_net_card_driver emudriver = 
+static struct grub_net_card_driver emudriver =
   {
     .name = "emu",
     .send = send_card_buffer,
     .recv = get_card_packet
   };
 
-static struct grub_net_card emucard = 
+static struct grub_net_card emucard =
   {
     .name = "emu0",
     .driver = &emudriver,
@@ -51,7 +51,7 @@ static struct grub_net_card emucard =
     .flags = 0
   };
 
-static grub_err_t 
+static grub_err_t
 send_card_buffer (struct grub_net_card *dev __attribute__ ((unused)),
 		  struct grub_net_buff *pack)
 {
diff --git a/grub-core/net/drivers/i386/pc/pxe.c b/grub-core/net/drivers/i386/pc/pxe.c
index 3f4152d03..997010cf1 100644
--- a/grub-core/net/drivers/i386/pc/pxe.c
+++ b/grub-core/net/drivers/i386/pc/pxe.c
@@ -248,7 +248,7 @@ grub_pxe_recv (struct grub_net_card *dev __attribute__ ((unused)))
   return buf;
 }
 
-static grub_err_t 
+static grub_err_t
 grub_pxe_send (struct grub_net_card *dev __attribute__ ((unused)),
 	       struct grub_net_buff *pack)
 {
@@ -295,7 +295,7 @@ grub_pxe_open (struct grub_net_card *dev __attribute__ ((unused)))
   if (ou->status)
     return grub_error (GRUB_ERR_IO, "can't open UNDI");
   return GRUB_ERR_NONE;
-} 
+}
 
 struct grub_net_card_driver grub_pxe_card_driver =
 {
diff --git a/grub-core/net/drivers/ieee1275/ofnet.c b/grub-core/net/drivers/ieee1275/ofnet.c
index 8f0386602..8c8398948 100644
--- a/grub-core/net/drivers/ieee1275/ofnet.c
+++ b/grub-core/net/drivers/ieee1275/ofnet.c
@@ -546,7 +546,7 @@ GRUB_MOD_FINI(ofnet)
 {
   struct grub_net_card *card, *next;
 
-  FOR_NET_CARDS_SAFE (card, next) 
+  FOR_NET_CARDS_SAFE (card, next)
     if (card->driver && grub_strcmp (card->driver->name, "ofnet") == 0)
       grub_net_card_unregister (card);
   grub_ieee1275_net_config = 0;
diff --git a/grub-core/net/drivers/uboot/ubootnet.c b/grub-core/net/drivers/uboot/ubootnet.c
index 056052e40..b9d5a0cd4 100644
--- a/grub-core/net/drivers/uboot/ubootnet.c
+++ b/grub-core/net/drivers/uboot/ubootnet.c
@@ -155,7 +155,7 @@ GRUB_MOD_FINI (ubootnet)
 {
   struct grub_net_card *card, *next;
 
-  FOR_NET_CARDS_SAFE (card, next) 
+  FOR_NET_CARDS_SAFE (card, next)
     if (card->driver && grub_strcmp (card->driver->name, "ubnet") == 0)
       grub_net_card_unregister (card);
 }
diff --git a/grub-core/net/ethernet.c b/grub-core/net/ethernet.c
index a9906338c..707bbb12c 100644
--- a/grub-core/net/ethernet.c
+++ b/grub-core/net/ethernet.c
@@ -45,7 +45,7 @@ struct llchdr
 
 struct snaphdr
 {
-  grub_uint8_t oui[3]; 
+  grub_uint8_t oui[3];
   grub_uint16_t type;
 } GRUB_PACKED;
 
diff --git a/grub-core/net/http.c b/grub-core/net/http.c
index 69e533b7e..8d6c62c76 100644
--- a/grub-core/net/http.c
+++ b/grub-core/net/http.c
@@ -145,7 +145,7 @@ parse_line (grub_file_t file, http_data_t data, char *ptr, grub_size_t len)
       return GRUB_ERR_NONE;
     }
 
-  return GRUB_ERR_NONE;  
+  return GRUB_ERR_NONE;
 }
 
 static void
@@ -205,7 +205,7 @@ http_receive (grub_net_tcp_socket_t sock __attribute__ ((unused)),
 	      grub_net_tcp_close (data->sock, GRUB_NET_TCP_ABORT);
 	      return grub_errno;
 	    }
-	      
+
 	  data->current_line = t;
 	  grub_memcpy (data->current_line + data->current_line_len,
 		       nb->data, ptr - (char *) nb->data);
@@ -261,7 +261,7 @@ http_receive (grub_net_tcp_socket_t sock __attribute__ ((unused)),
 	{
 	  grub_netbuff_free (nb);
 	  return GRUB_ERR_NONE;
-	} 
+	}
       err = grub_netbuff_pull (nb, ptr - (char *) nb->data);
       if (err)
 	{
@@ -370,7 +370,7 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial)
 	       grub_strlen (file->device->net->server));
 
   ptr = nb->tail;
-  err = grub_netbuff_put (nb, 
+  err = grub_netbuff_put (nb,
 			  sizeof ("\r\nUser-Agent: " PACKAGE_STRING "\r\n")
 			  - 1);
   if (err)
@@ -578,7 +578,7 @@ http_packets_pulled (struct grub_file *file)
   return 0;
 }
 
-static struct grub_net_app_protocol grub_http_protocol = 
+static struct grub_net_app_protocol grub_http_protocol =
   {
     .name = "http",
     .open = http_open,
diff --git a/grub-core/net/icmp6.c b/grub-core/net/icmp6.c
index 2cbd95dce..986d57b01 100644
--- a/grub-core/net/icmp6.c
+++ b/grub-core/net/icmp6.c
@@ -225,7 +225,7 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 	    if (ohdr->len == 0 || ptr + 8 * ohdr->len > nb->tail)
 	      {
 		grub_netbuff_free (nb);
-		return GRUB_ERR_NONE; 
+		return GRUB_ERR_NONE;
 	      }
 	    if (ohdr->type == OPTION_SOURCE_LINK_LAYER_ADDRESS
 		&& ohdr->len == 1)
@@ -329,7 +329,7 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 	    if (ohdr->len == 0 || ptr + 8 * ohdr->len > nb->tail)
 	      {
 		grub_netbuff_free (nb);
-		return GRUB_ERR_NONE; 
+		return GRUB_ERR_NONE;
 	      }
 	    if (ohdr->type == OPTION_TARGET_LINK_LAYER_ADDRESS
 		&& ohdr->len == 1)
@@ -378,7 +378,7 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 	    if (ohdr->len == 0 || ptr + 8 * ohdr->len > nb->tail)
 	      {
 		grub_netbuff_free (nb);
-		return GRUB_ERR_NONE; 
+		return GRUB_ERR_NONE;
 	      }
 	    if (ohdr->type == OPTION_SOURCE_LINK_LAYER_ADDRESS
 		&& ohdr->len == 1)
@@ -448,7 +448,7 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 			  grub_errno = GRUB_ERR_NONE;
 			  continue;
 			}
-		      inf = grub_net_add_addr (name, 
+		      inf = grub_net_add_addr (name,
 					       card, &addr,
 					       &slaac->address, 0);
 		      if (!route_inf)
@@ -523,7 +523,7 @@ grub_net_icmp6_send_request (struct grub_net_network_level_interface *inf,
   multicast.ipv6[1] = (grub_be_to_cpu64_compile_time (0x01ff000000ULL)
 		       | (proto_addr->ipv6[1]
 			  & grub_be_to_cpu64_compile_time (0xffffff)));
-  
+
   err = grub_net_link_layer_resolve (inf, &multicast, &ll_multicast);
   if (err)
     return err;
@@ -555,7 +555,7 @@ grub_net_icmp6_send_request (struct grub_net_network_level_interface *inf,
   ohdr = (struct option_header *) nb->data;
   ohdr->type = OPTION_SOURCE_LINK_LAYER_ADDRESS;
   ohdr->len = 1;
-  err = grub_netbuff_push (nb, sizeof (*sol));  
+  err = grub_netbuff_push (nb, sizeof (*sol));
   if (err)
     goto fail;
 
diff --git a/grub-core/net/ip.c b/grub-core/net/ip.c
index ea5edf8f1..e3d62e97f 100644
--- a/grub-core/net/ip.c
+++ b/grub-core/net/ip.c
@@ -157,7 +157,7 @@ send_fragmented (struct grub_net_network_level_interface * inf,
       iph->service = 0;
       iph->len = grub_cpu_to_be16 (len + sizeof (struct iphdr));
       iph->ident = grub_cpu_to_be16 (id);
-      iph->frags = grub_cpu_to_be16 (off | (((grub_ssize_t) len 
+      iph->frags = grub_cpu_to_be16 (off | (((grub_ssize_t) len
 					     == nb->tail - nb->data)
 					    ? 0 : MORE_FRAGMENTS));
       iph->ttl = 0xff;
@@ -254,7 +254,7 @@ handle_dgram (struct grub_net_buff *nb,
 	    if (expected != chk)
 	      {
 		grub_dprintf ("net", "Invalid UDP checksum. "
-			      "Expected %x, got %x\n", 
+			      "Expected %x, got %x\n",
 			      grub_be_to_cpu16 (expected),
 			      grub_be_to_cpu16 (chk));
 		grub_netbuff_free (nb);
@@ -271,7 +271,7 @@ handle_dgram (struct grub_net_buff *nb,
 	  }
 
 	bootp = (const struct grub_net_bootp_packet *) nb->data;
-	
+
 	FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
 	  if (inf->card == card
 	      && inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_DHCP_RECV
@@ -314,7 +314,7 @@ handle_dgram (struct grub_net_buff *nb,
 	&& hwaddress->type == GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET
 	&& hwaddress->mac[0] == 0x33 && hwaddress->mac[1] == 0x33
 	&& hwaddress->mac[2] == 0xff
-	&& hwaddress->mac[3] == ((grub_be_to_cpu64 (inf->address.ipv6[1]) 
+	&& hwaddress->mac[3] == ((grub_be_to_cpu64 (inf->address.ipv6[1])
 				  >> 16) & 0xff)
 	&& hwaddress->mac[4] == ((grub_be_to_cpu64 (inf->address.ipv6[1])
 				  >> 8) & 0xff)
@@ -325,7 +325,7 @@ handle_dgram (struct grub_net_buff *nb,
 	break;
       }
   }
- 
+
   if (!inf && !(dest->type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6
 		&& dest->ipv6[0] == grub_be_to_cpu64_compile_time (0xff02ULL
 								   << 48)
@@ -439,7 +439,7 @@ grub_net_recv_ip4_packets (struct grub_net_buff *nb,
       }
     if (actual_size < expected_size)
       {
-	grub_dprintf ("net", "Cut IP packet actual: %" PRIuGRUB_SIZE 
+	grub_dprintf ("net", "Cut IP packet actual: %" PRIuGRUB_SIZE
 		      ", expected %" PRIuGRUB_SIZE "\n", actual_size,
 		      expected_size);
 	grub_netbuff_free (nb);
@@ -701,7 +701,7 @@ grub_net_recv_ip6_packets (struct grub_net_buff *nb,
       }
     if (actual_size < expected_size)
       {
-	grub_dprintf ("net", "Cut IP packet actual: %" PRIuGRUB_SIZE 
+	grub_dprintf ("net", "Cut IP packet actual: %" PRIuGRUB_SIZE
 		      ", expected %" PRIuGRUB_SIZE "\n", actual_size,
 		      expected_size);
 	grub_netbuff_free (nb);
diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 4d3eb5c1a..1b0e34601 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -60,7 +60,7 @@ link_layer_find_entry (const grub_net_network_level_address_t *proto,
     return NULL;
   for (i = 0; i < LINK_LAYER_CACHE_SIZE; i++)
     {
-      if (card->link_layer_table[i].avail == 1 
+      if (card->link_layer_table[i].avail == 1
 	  && grub_net_addr_cmp (&card->link_layer_table[i].nl_address,
 				proto) == 0)
 	return &card->link_layer_table[i];
@@ -180,7 +180,7 @@ grub_net_link_layer_resolve (struct grub_net_network_level_interface *inf,
       *hw_addr = entry->ll_address;
       return GRUB_ERR_NONE;
     }
-  return grub_error (GRUB_ERR_TIMEOUT, 
+  return grub_error (GRUB_ERR_TIMEOUT,
 		     N_("timeout: could not resolve hardware address"));
 }
 
@@ -237,7 +237,7 @@ static void
 grub_net_network_level_interface_register (struct grub_net_network_level_interface *inter);
 
 static struct grub_net_network_level_interface *
-grub_net_add_addr_real (char *name, 
+grub_net_add_addr_real (char *name,
 			struct grub_net_card *card,
 			const grub_net_network_level_address_t *addr,
 			const grub_net_link_level_address_t *hwaddress,
@@ -263,7 +263,7 @@ grub_net_add_addr_real (char *name,
 }
 
 struct grub_net_network_level_interface *
-grub_net_add_addr (const char *name, 
+grub_net_add_addr (const char *name,
 		   struct grub_net_card *card,
 		   const grub_net_network_level_address_t *addr,
 		   const grub_net_link_level_address_t *hwaddress,
@@ -271,7 +271,7 @@ grub_net_add_addr (const char *name,
 {
   char *name_dup = grub_strdup (name);
   struct grub_net_network_level_interface *ret;
- 
+
   if (!name_dup)
     return NULL;
   ret = grub_net_add_addr_real (name_dup, card, addr, hwaddress, flags);
@@ -513,7 +513,7 @@ match_net (const grub_net_network_level_netaddress_t *net,
 	    mask[0] = 0xffffffffffffffffULL << (64 - net->ipv6.masksize);
 	    mask[1] = 0;
 	  }
-	else 
+	else
 	  {
 	    mask[0] = 0xffffffffffffffffULL;
 	    mask[1] = 0xffffffffffffffffULL << (128 - net->ipv6.masksize);
@@ -712,7 +712,7 @@ grub_cmd_deladdr (struct grub_command *cmd __attribute__ ((unused)),
   grub_free (inter->name);
   grub_free (inter);
 
-  return GRUB_ERR_NONE;  
+  return GRUB_ERR_NONE;
 }
 
 void
@@ -733,14 +733,14 @@ grub_net_addr_to_str (const grub_net_network_level_address_t *target, char *buf)
 	  {
 	    grub_snprintf (ptr, 6, "%" PRIxGRUB_UINT64_T ":",
 			   (n >> (48 - 16 * i)) & 0xffff);
-	    ptr += grub_strlen (ptr); 
+	    ptr += grub_strlen (ptr);
 	  }
 	n  = grub_be_to_cpu64 (target->ipv6[1]);
 	for (i = 0; i < 3; i++)
 	  {
 	    grub_snprintf (ptr, 6, "%" PRIxGRUB_UINT64_T ":",
 			   (n >> (48 - 16 * i)) & 0xffff);
-	    ptr += grub_strlen (ptr); 
+	    ptr += grub_strlen (ptr);
 	  }
 	grub_snprintf (ptr, 5, "%" PRIxGRUB_UINT64_T, n & 0xffff);
 	return;
@@ -928,7 +928,7 @@ grub_net_network_level_interface_register (struct grub_net_network_level_interfa
       return;
     for (ptr = name; *ptr; ptr++)
       if (*ptr == ':')
-	*ptr = '_';    
+	*ptr = '_';
     grub_env_set (name, buf);
     grub_register_variable_hook (name, 0, hwaddr_set_env);
     grub_env_export (name);
@@ -945,7 +945,7 @@ grub_net_network_level_interface_register (struct grub_net_network_level_interfa
       return;
     for (ptr = name; *ptr; ptr++)
       if (*ptr == ':')
-	*ptr = '_';    
+	*ptr = '_';
     grub_env_set (name, buf);
     grub_register_variable_hook (name, 0, addr_set_env);
     grub_env_export (name);
@@ -1020,12 +1020,12 @@ grub_cmd_addaddr (struct grub_command *cmd __attribute__ ((unused)),
 
   if (argc != 3)
     return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("three arguments expected"));
-  
+
   FOR_NET_CARDS (card)
     if (grub_strcmp (card->name, args[1]) == 0)
       break;
   if (card == NULL)
-    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("card not found")); 
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("card not found"));
 
   err = grub_net_resolve_address (args[2], &addr);
   if (err)
@@ -1055,7 +1055,7 @@ grub_cmd_delroute (struct grub_command *cmd __attribute__ ((unused)),
 
   if (argc != 1)
     return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
-  
+
   for (prev = &grub_net_routes, route = *prev; route; prev = &((*prev)->next),
 	 route = *prev)
     if (grub_strcmp (route->name, args[0]) == 0)
@@ -1136,7 +1136,7 @@ grub_cmd_addroute (struct grub_command *cmd __attribute__ ((unused)),
 		       N_("three arguments expected"));
 
   grub_net_resolve_net_address  (args[1], &target);
-  
+
   if (grub_strcmp (args[2], "gw") == 0 && argc >= 4)
     {
       grub_err_t err;
@@ -1216,10 +1216,10 @@ grub_cmd_listroutes (struct grub_command *cmd __attribute__ ((unused)),
     if (route->is_gateway)
       {
 	grub_printf ("gw ");
-	print_address (&route->gw);	
+	print_address (&route->gw);
       }
     else
-      grub_printf ("%s", route->interface->name);      
+      grub_printf ("%s", route->interface->name);
     grub_printf ("\n");
   }
   return GRUB_ERR_NONE;
@@ -1302,7 +1302,7 @@ grub_net_open_real (const char *name)
       grub_error (GRUB_ERR_NET_BAD_ADDRESS,
 		  N_("no server is specified"));
       return NULL;
-    }  
+    }
 
   for (try = 0; try < 2; try++)
     {
@@ -1493,7 +1493,7 @@ receive_packets (struct grub_net_card *card, int *stop_condition)
   while (received < 100)
     {
       /* Maybe should be better have a fixed number of packets for each card
-	 and just mark them as used and not used.  */ 
+	 and just mark them as used and not used.  */
       struct grub_net_buff *nb;
 
       if (received > 10 && stop_condition && *stop_condition)
@@ -1654,7 +1654,7 @@ have_ahead (struct grub_file *file)
   return ret;
 }
 
-static grub_err_t 
+static grub_err_t
 grub_net_seek_real (struct grub_file *file, grub_off_t offset)
 {
   if (offset == file->device->net->offset)
@@ -1724,7 +1724,7 @@ static grub_err_t
 grub_net_fini_hw (int noreturn __attribute__ ((unused)))
 {
   struct grub_net_card *card;
-  FOR_NET_CARDS (card) 
+  FOR_NET_CARDS (card)
     if (card->opened)
       {
 	if (card->driver->close)
diff --git a/grub-core/net/tcp.c b/grub-core/net/tcp.c
index e8ad34b84..200460121 100644
--- a/grub-core/net/tcp.c
+++ b/grub-core/net/tcp.c
@@ -376,7 +376,7 @@ grub_net_tcp_retransmit (void)
 
 	if (unack->last_try > limit_time)
 	  continue;
-	
+
 	if (unack->try_count > TCP_RETRANSMISSION_COUNT)
 	  {
 	    error (sock);
@@ -581,7 +581,7 @@ grub_net_tcp_open (char *server,
       grub_error (GRUB_ERR_BUG, "not an IP address");
       return NULL;
     }
- 
+
   err = grub_net_route_address (addr, &gateway, &inf);
   if (err)
     return NULL;
@@ -592,7 +592,7 @@ grub_net_tcp_open (char *server,
 
   socket = grub_zalloc (sizeof (*socket));
   if (socket == NULL)
-    return NULL; 
+    return NULL;
 
   socket->out_port = out_port;
   socket->inf = inf;
@@ -657,7 +657,7 @@ grub_net_tcp_open (char *server,
     {
       int j;
       nb->data = nbd;
-      err = grub_net_send_ip_packet (socket->inf, &(socket->out_nla), 
+      err = grub_net_send_ip_packet (socket->inf, &(socket->out_nla),
 				     &(socket->ll_target_addr), nb,
 				     GRUB_NET_IP_TCP);
       if (err)
@@ -667,7 +667,7 @@ grub_net_tcp_open (char *server,
 	  grub_netbuff_free (nb);
 	  return NULL;
 	}
-      for (j = 0; (j < TCP_SYN_RETRANSMISSION_TIMEOUT / 50 
+      for (j = 0; (j < TCP_SYN_RETRANSMISSION_TIMEOUT / 50
 		   && !socket->established); j++)
 	grub_net_poll_cards (50, &socket->established);
       if (socket->established)
@@ -956,7 +956,7 @@ grub_net_recv_tcp_packet (struct grub_net_buff *nb,
       if (sock->fin_hook && just_closed)
 	sock->fin_hook (sock, sock->hook_data);
     }
-	
+
     return GRUB_ERR_NONE;
   }
   if (grub_be_to_cpu16 (tcph->flags) & TCP_SYN)
@@ -971,7 +971,7 @@ grub_net_recv_tcp_packet (struct grub_net_buff *nb,
 	sock = grub_zalloc (sizeof (*sock));
 	if (sock == NULL)
 	  return grub_errno;
-	
+
 	sock->out_port = grub_be_to_cpu16 (tcph->src);
 	sock->in_port = grub_be_to_cpu16 (tcph->dst);
 	sock->inf = inf;
diff --git a/grub-core/net/tftp.c b/grub-core/net/tftp.c
index 7f44b30f5..ebbafe7a1 100644
--- a/grub-core/net/tftp.c
+++ b/grub-core/net/tftp.c
@@ -157,7 +157,7 @@ tftp_receive (grub_net_udp_socket_t sock __attribute__ ((unused)),
     {
     case TFTP_OACK:
       data->block_size = TFTP_DEFAULTSIZE_PACKET;
-      data->have_oack = 1; 
+      data->have_oack = 1;
       for (ptr = nb->data + sizeof (tftph->opcode); ptr < nb->tail;)
 	{
 	  if (grub_memcmp (ptr, "tsize\0", sizeof ("tsize\0") - 1) == 0)
@@ -460,7 +460,7 @@ tftp_packets_pulled (struct grub_file *file)
   return ack (data, data->block);
 }
 
-static struct grub_net_app_protocol grub_tftp_protocol = 
+static struct grub_net_app_protocol grub_tftp_protocol =
   {
     .name = "tftp",
     .open = tftp_open,
diff --git a/grub-core/net/udp.c b/grub-core/net/udp.c
index df7fb95e7..91e2a017a 100644
--- a/grub-core/net/udp.c
+++ b/grub-core/net/udp.c
@@ -79,7 +79,7 @@ grub_net_udp_open (grub_net_network_level_address_t addr,
       grub_error (GRUB_ERR_BUG, "not an IP address");
       return NULL;
     }
- 
+
   err = grub_net_route_address (addr, &gateway, &inf);
   if (err)
     return NULL;
@@ -90,7 +90,7 @@ grub_net_udp_open (grub_net_network_level_address_t addr,
 
   socket = grub_zalloc (sizeof (*socket));
   if (socket == NULL)
-    return NULL; 
+    return NULL;
 
   socket->out_port = out_port;
   socket->inf = inf;