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authorConstantin Baranov <const@tltsu.ru>2008-03-16 20:04:23 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2008-03-24 22:26:14 -0700
commitcc36bdd47ae51b66780b317c1fa519221f894405 (patch)
treef533d78412b88f34a2e556eaa1e2f5886d8c65a8 /drivers/usb/storage/transport.c
parentba2ef3b36c8ad9aa1df6b2061b0a56f68c64776d (diff)
downloadlinux-cc36bdd47ae51b66780b317c1fa519221f894405.tar.gz
USB: add support for Motorola ROKR Z6 cellphone in mass storage mode
Motorola ROKR Z6 cellphone has bugs in its USB, so it is impossible to use it as mass storage. Patch describes new "unusual" USB device for it with FIX_INQUIRY and FIX_CAPACITY flags and new BULK_IGNORE_TAG flag. Last flag relaxes check for equality of bcs->Tag and us->tag in usb_stor_Bulk_transport routine. Signed-off-by: Constantin Baranov <const@tltsu.ru> Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Daniel Drake <dsd@gentoo.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/storage/transport.c')
-rw-r--r--drivers/usb/storage/transport.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 5780ed15f1ad1..bdd4334bed5a7 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -1009,7 +1009,8 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
US_DEBUGP("Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n",
le32_to_cpu(bcs->Signature), bcs->Tag,
residue, bcs->Status);
- if (bcs->Tag != us->tag || bcs->Status > US_BULK_STAT_PHASE) {
+ if (!(bcs->Tag == us->tag || (us->flags & US_FL_BULK_IGNORE_TAG)) ||
+ bcs->Status > US_BULK_STAT_PHASE) {
US_DEBUGP("Bulk logical error\n");
return USB_STOR_TRANSPORT_ERROR;
}