[CRYPTO]: crypto_alg_lookup() should fail when passed a NULL name.

b069904a · Hideaki Yoshifuji · f083fae2 · b069904a
Commit b069904a authored Oct 29, 2003 by Hideaki Yoshifuji
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crypto/api.c crypto/api.c +3 -0

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--- a/crypto/api.c
+++ b/crypto/api.c
@@ -36,6 +36,9 @@ static inline void crypto_alg_put(struct crypto_alg *alg)
 struct crypto_alg *crypto_alg_lookup(const char *name)
 {
 	struct crypto_alg *q, *alg = NULL;
+
+	if (!name)
+		return NULL;
 	
 	down_read(&crypto_alg_sem);