The return value of crypto_alloc_blkcipher() should be checked by
IS_ERR().
Cc: Mike Halcrow <[email protected]>
Cc: Phillip Hellewell <[email protected]>
Signed-off-by: Akinobu Mita <[email protected]>
---
fs/ecryptfs/crypto.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: work-fault-inject/fs/ecryptfs/crypto.c
===================================================================
--- work-fault-inject.orig/fs/ecryptfs/crypto.c
+++ work-fault-inject/fs/ecryptfs/crypto.c
@@ -820,7 +820,8 @@ int ecryptfs_init_crypt_ctx(struct ecryp
crypt_stat->tfm = crypto_alloc_blkcipher(full_alg_name, 0,
CRYPTO_ALG_ASYNC);
kfree(full_alg_name);
- if (!crypt_stat->tfm) {
+ if (IS_ERR(crypt_stat->tfm)) {
+ rc = PTR_ERR(crypt_stat->tfm);
ecryptfs_printk(KERN_ERR, "cryptfs: init_crypt_ctx(): "
"Error initializing cipher [%s]\n",
crypt_stat->cipher);
-
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