cifs: No need to check crypto blockcipher allocation

Missed one change as per earlier suggestion.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 0db5f1d..a51585f 100644 (file)
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -657,9 +657,10 @@ calc_seckey(struct cifsSesInfo *ses)
        get_random_bytes(sec_key, CIFS_SESS_KEY_SIZE);
 
        tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
-       if (!tfm_arc4 || IS_ERR(tfm_arc4)) {
+       if (IS_ERR(tfm_arc4)) {
+               rc = PTR_ERR(tfm_arc4);
                cERROR(1, "could not allocate crypto API arc4\n");
-               return PTR_ERR(tfm_arc4);
+               return rc;
        }
 
        desc.tfm = tfm_arc4;