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authorJakub Kicinski <kuba@kernel.org>2023-03-17 16:29:25 -0700
committerJakub Kicinski <kuba@kernel.org>2023-03-17 16:29:25 -0700
commit1118aa4c70a6978afb0c4391ad29826c14b842b3 (patch)
tree7286d535c06b720d45f0427f9060b42bf8ab1425 /include/linux/netdevice.h
parent79a22238b4f22c45cadd3b4040d644f4de320d1b (diff)
parent478a351ce0d69cef2d2bf2a686a09b356b63a66c (diff)
downloadlinux-1118aa4c70a6978afb0c4391ad29826c14b842b3.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/wireless/nl80211.c b27f07c50a73 ("wifi: nl80211: fix puncturing bitmap policy") cbbaf2bb829b ("wifi: nl80211: add a command to enable/disable HW timestamping") https://lore.kernel.org/all/20230314105421.3608efae@canb.auug.org.au tools/testing/selftests/net/Makefile 62199e3f1658 ("selftests: net: Add VXLAN MDB test") 13715acf8ab5 ("selftest: Add test for bind() conflicts.") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 23b0d7eaaadd80..7621c512765f76 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -298,9 +298,11 @@ struct hh_cache {
* relationship HH alignment <= LL alignment.
*/
#define LL_RESERVED_SPACE(dev) \
- ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom) + (extra)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,