[CRYPTO] cryptd: Correct kzalloc error test

Normally, kzalloc returns NULL or a valid pointer value, not a value to be
tested using IS_ERR.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 3 insertions, 1 deletions

diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 250425263e00..b150de562057 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -190,8 +190,10 @@ static struct crypto_instance *cryptd_alloc_instance(struct crypto_alg *alg,
         int err;
 
         inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
-        if (IS_ERR(inst))
+        if (!inst) {
+                inst = ERR_PTR(-ENOMEM);
                 goto out;
+        }
 
         err = -ENAMETOOLONG;
         if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,