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 for the string length instead.

Signed-off-by: Mathias Krause <mini...@googlemail.com>
Cc: Steffen Klassert <steffen.klass...@secunet.com>
---
 crypto/crypto_user.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index f6d9baf..1b9a9a1 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 (!strlen(p->cru_driver_name))
                return -EINVAL;
 
        alg = crypto_alg_match(p, 1);
-- 
1.7.10.4

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