crypto: user - fix empty string test in report API

The current test for empty strings fails because it is testing the
address of a field, not a pointer. So the test will always be true.
Test the first character in the string to not be null instead.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index f6d9baf77f0a..423a267022f4 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -196,7 +196,7 @@ static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh,
         struct crypto_dump_info info;
         int err;
 
-        if (!p->cru_driver_name)
+        if (!p->cru_driver_name[0])
                 return -EINVAL;
 
         alg = crypto_alg_match(p, 1);