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scst_vdisk: Fix bio_integrity_alloc() error checking

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In 2015 bio_integrity_alloc() was modified such that it returns an error
pointer instead of NULL upon failure. Hence this patch.

See also upstream commit 06c1e3902aa7 ("blk-integrity: empty implementation
when disabled"; v4.5).



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9576 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2021-09-09 03:22:31 +00:00
parent c536f01094
commit 13c6449016
1 changed files with 1 additions and 1 deletions
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2
scst/src/dev_handlers/scst_vdisk.c
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@@ -5933,7 +5933,7 @@ static void vdisk_blk_add_dif(struct bio *bio, gfp_t gfp_mask,
}
bip = bio_integrity_alloc(bio, gfp_mask, pages);
if (unlikely(bip == NULL)) {
if (unlikely(IS_ERR_OR_NULL(bip))) {
PRINT_WARNING("Allocation of %d pages for DIF tags "
"failed! (dev %s)", pages, dev->virt_name);
goto out; /* proceed without integrity */