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authorArnd Bergmann <arnd@arndb.de>2011-12-06 14:23:35 +0000
committerArnd Bergmann <arnd@arndb.de>2011-12-06 14:23:35 +0000
commit3642a0a2c7d2d1949988d0fd004a8039c1f3d02f (patch)
treee687c88b1b66ad51a6a6c529f7f328f2d3b625fa /drivers/usb/storage/protocol.c
parent58a273745fbb2fbd01d26e7a60f0acc8c1d99469 (diff)
parentb07fed455c883f07f8e847f5b0d79975b4dc8e7a (diff)
Merge branch 'mxs/saif' into next/drivers
Conflicts: drivers/net/ethernet/cadence/Kconfig
Diffstat (limited to 'drivers/usb/storage/protocol.c')
-rw-r--r--drivers/usb/storage/protocol.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c
index 93c1a4d86f51..82dd834709c7 100644
--- a/drivers/usb/storage/protocol.c
+++ b/drivers/usb/storage/protocol.c
@@ -59,7 +59,9 @@
void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
{
- /* Pad the SCSI command with zeros out to 12 bytes
+ /*
+ * Pad the SCSI command with zeros out to 12 bytes. If the
+ * command already is 12 bytes or longer, leave it alone.
*
* NOTE: This only works because a scsi_cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
@@ -67,9 +69,6 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
for (; srb->cmd_len<12; srb->cmd_len++)
srb->cmnd[srb->cmd_len] = 0;
- /* set command length to 12 bytes */
- srb->cmd_len = 12;
-
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
}