[PATCH] ext4: Fix return code checking of crypto_alloc_ablkcipher()

[Richard Weinberger]

This function does never return NULL, IS_ERR() is sufficent.

Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
 fs/ext4/crypto_key.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/crypto_key.c b/fs/ext4/crypto_key.c
index c5882b3..436ea2a 100644
--- a/fs/ext4/crypto_key.c
+++ b/fs/ext4/crypto_key.c
@@ -234,8 +234,8 @@ retry:
 		goto out;
 got_key:
 	ctfm = crypto_alloc_ablkcipher(cipher_str, 0, 0);
-	if (!ctfm || IS_ERR(ctfm)) {
-		res = ctfm ? PTR_ERR(ctfm) : -ENOMEM;
+	if (IS_ERR(ctfm)) {
+		res = PTR_ERR(ctfm);
 		printk(KERN_DEBUG
 		       "%s: error %d (inode %u) allocating crypto tfm\n",
 		       __func__, res, (unsigned) inode->i_ino);
-- 
2.5.0

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