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authorJohannes Thumshirn <jthumshirn@suse.de>2018-06-25 13:20:58 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2018-06-26 12:27:06 -0400
commitc65be1a63f1df224c8f22d72b9ec824241ada585 (patch)
tree92d2f1e475f5556095f02b172cd7b7ac595e6479 /drivers/scsi/ch.c
parent8e1695a07c7b28e2eb1c02cc01e2b8f5dd28bf87 (diff)
downloadlinux-c65be1a63f1df224c8f22d72b9ec824241ada585.tar.bz2
scsi: core: check for equality of result byte values
When evaluating a SCSI command's result using the field access macros, check for equality of the fields and not if a specific bit is set. This is a preparation patch, for reworking the results field in the SCSI command. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ch.c')
-rw-r--r--drivers/scsi/ch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index c535c52e72e5..1c5051b1c125 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -199,7 +199,7 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd, int cmd_len,
buflength, &sshdr, timeout * HZ,
MAX_RETRIES, NULL);
- if (driver_byte(result) & DRIVER_SENSE) {
+ if (driver_byte(result) == DRIVER_SENSE) {
if (debug)
scsi_print_sense_hdr(ch->device, ch->name, &sshdr);
errno = ch_find_errno(&sshdr);