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btrfs: use PTR_ERR_OR_ZERO

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replace IS_ERR/PTR_ERR

Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <jbacik@fb.com>
Cc: linux-btrfs@vger.kernel.org
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Fabian Frederick
2014-07-04 21:10:27 +02:00
committed by Chris Mason
parent 29549aec76
commit 6f84e23646
1 changed files with 1 additions and 3 deletions
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4
fs/btrfs/hash.c
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@@ -20,10 +20,8 @@ static struct crypto_shash *tfm;
int __init btrfs_hash_init(void) int __init btrfs_hash_init(void)
{ {
tfm = crypto_alloc_shash("crc32c", 0, 0); tfm = crypto_alloc_shash("crc32c", 0, 0);
if (IS_ERR(tfm))
return PTR_ERR(tfm);
return 0; return PTR_ERR_OR_ZERO(tfm);
} }
void btrfs_hash_exit(void) void btrfs_hash_exit(void)