---

yaml --- r: 4180 b: refs/heads/master c: a61cc44 h: refs/heads/master v: v3
git-mirror · Jul 6, 2005 · 35121e5 · 35121e5
1 parent ec480e2
commit 35121e5
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Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 476df259cd577e20379b02a7f7ffd086ea925a83
+refs/heads/master: a61cc44812ff94793987bf43b70a3d9bc64a6820
diff --git a/trunk/crypto/api.c b/trunk/crypto/api.c
@@ -13,6 +13,8 @@
  * any later version.
  *
  */
+
+#include <linux/compiler.h>
 #include <linux/init.h>
 #include <linux/crypto.h>
 #include <linux/errno.h>
@@ -189,8 +191,14 @@ struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
 
 void crypto_free_tfm(struct crypto_tfm *tfm)
 {
-	struct crypto_alg *alg = tfm->__crt_alg;
-	int size = sizeof(*tfm) + alg->cra_ctxsize;
+	struct crypto_alg *alg;
+	int size;
+
+	if (unlikely(!tfm))
+		return;
+
+	alg = tfm->__crt_alg;
+	size = sizeof(*tfm) + alg->cra_ctxsize;
 
 	crypto_exit_ops(tfm);
 	crypto_alg_put(alg);