[SCSI] libosd: fix potential ERR_PTR dereference in osd_initiator.c

bio_map_kern() returns an ERR_PTR() not NULL.

Found by smatch (http://repo.or.cz/w/smatch.git).  Compile tested.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Dan Carpenter 2009-04-19 19:07:47 +03:00 committed by James Bottomley
parent 3b8b5c9b1f
commit bf5e84f696

View File

@ -612,9 +612,9 @@ static int _osd_req_list_objects(struct osd_request *or,
WARN_ON(or->in.bio); WARN_ON(or->in.bio);
bio = bio_map_kern(q, list, len, or->alloc_flags); bio = bio_map_kern(q, list, len, or->alloc_flags);
if (!bio) { if (IS_ERR(bio)) {
OSD_ERR("!!! Failed to allocate list_objects BIO\n"); OSD_ERR("!!! Failed to allocate list_objects BIO\n");
return -ENOMEM; return PTR_ERR(bio);
} }
bio->bi_rw &= ~(1 << BIO_RW); bio->bi_rw &= ~(1 << BIO_RW);