X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=crypto%2Fapi.c;h=394169a8577d0643df6b9995abbfbb2049039228;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=6f0e625714bf246a57b6a640f407e02f65140b41;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/crypto/api.c b/crypto/api.c
index 6f0e62571..394169a85 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -155,8 +155,12 @@ out:
 
 void crypto_free_tfm(struct crypto_tfm *tfm)
 {
+	struct crypto_alg *alg = tfm->__crt_alg;
+	int size = sizeof(*tfm) + alg->cra_ctxsize;
+
 	crypto_exit_ops(tfm);
-	crypto_alg_put(tfm->__crt_alg);
+	crypto_alg_put(alg);
+	memset(tfm, 0, size);
 	kfree(tfm);
 }