diff options
Diffstat (limited to 'drivers/usb/storage/protocol.c')
| -rw-r--r-- | drivers/usb/storage/protocol.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index fc310f75eada..82dd834709c7 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -43,6 +43,7 @@ */ #include <linux/highmem.h> +#include <linux/export.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -58,7 +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 @@ -66,9 +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); } |