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authorBart Van Assche <bart.vanassche@wdc.com>2018-04-05 10:32:59 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2018-04-09 21:31:37 -0400
commitcbe095e2b584623b882ebaf6c18e0b9077baa3f7 (patch)
tree2e6aa30fdf07d2172f275b3773a01fcecca6796f /drivers/scsi/scsi_lib.c
parent1c6b41fb92936fa5facea464d5d7cbf855966d04 (diff)
downloadlinux-cbe095e2b584623b882ebaf6c18e0b9077baa3f7.tar.bz2
Revert "scsi: core: return BLK_STS_OK for DID_OK in __scsi_error_from_host_byte()"
The description of commit e39a97353e53 is wrong: it mentions that commit 2a842acab109 introduced a bug in __scsi_error_from_host_byte() although that commit did not change the behavior of that function. Additionally, commit e39a97353e53 introduced a bug: it causes commands that fail with hostbyte=DID_OK and driverbyte=DRIVER_SENSE to be completed with BLK_STS_OK. Hence revert that commit. Fixes: e39a97353e53 ("scsi: core: return BLK_STS_OK for DID_OK in __scsi_error_from_host_byte()") Reported-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Douglas Gilbert <dgilbert@interlog.com> Cc: Damien Le Moal <damien.lemoal@wdc.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Lee Duncan <lduncan@suse.com> Cc: stable@vger.kernel.org Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
-rw-r--r--drivers/scsi/scsi_lib.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 0dfec0dedd5e..b1631ac9eca3 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -733,8 +733,6 @@ static blk_status_t __scsi_error_from_host_byte(struct scsi_cmnd *cmd,
int result)
{
switch (host_byte(result)) {
- case DID_OK:
- return BLK_STS_OK;
case DID_TRANSPORT_FAILFAST:
return BLK_STS_TRANSPORT;
case DID_TARGET_FAILURE: