blk-integrity: checking for NULL instead of IS_ERR

We recently changed bio_integrity_alloc() to return ERR_PTRs instead of
NULL but these calls were missed.

Fixes: 06c1e3902aa7 ('blk-integrity: empty implementation when disabled')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index e6ba501..711e4d8 100644 (file)
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -298,10 +298,10 @@ int bio_integrity_prep(struct bio *bio)
 
        /* Allocate bio integrity payload and integrity vectors */
        bip = bio_integrity_alloc(bio, GFP_NOIO, nr_pages);
-       if (unlikely(bip == NULL)) {
+       if (IS_ERR(bip)) {
                printk(KERN_ERR "could not allocate data integrity bioset\n");
                kfree(buf);
-               return -EIO;
+               return PTR_ERR(bip);
        }
 
        bip->bip_flags |= BIP_BLOCK_INTEGRITY;
@@ -465,9 +465,8 @@ int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
        BUG_ON(bip_src == NULL);
 
        bip = bio_integrity_alloc(bio, gfp_mask, bip_src->bip_vcnt);
-
-       if (bip == NULL)
-               return -EIO;
+       if (IS_ERR(bip))
+               return PTR_ERR(bip);
 
        memcpy(bip->bip_vec, bip_src->bip_vec,
               bip_src->bip_vcnt * sizeof(struct bio_vec));