Commit 36fa766f authored by Martin Wilck's avatar Martin Wilck Committed by Martin K. Petersen

scsi: target: pscsi: Clean up after failure in pscsi_map_sg()

If pscsi_map_sg() fails, make sure to drop references to already allocated
bios.

Link: https://lore.kernel.org/r/20210323212431.15306-2-mwilck@suse.comReviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarLee Duncan <lduncan@suse.com>
Signed-off-by: default avatarMartin Wilck <mwilck@suse.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 077ce028
......@@ -938,6 +938,14 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
return 0;
fail:
if (bio)
bio_put(bio);
while (req->bio) {
bio = req->bio;
req->bio = bio->bi_next;
bio_put(bio);
}
req->biotail = NULL;
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
......
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