X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=crypto%2Flrw.c;h=1d813a6d3fecb7a3743ce35a9c5e18fa002cf90f;hb=HEAD;hp=cbbd7c50ad19b306cf0e424ad24533beade38764;hpb=bbecb1cfcca55f98cfcb62fa36a32d79975d8816;p=mirror_ubuntu-bionic-kernel.git

diff --git a/crypto/lrw.c b/crypto/lrw.c
index cbbd7c50ad19..9c5bf4afe36f 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -139,7 +139,12 @@ static inline int get_index128(be128 *block)
 		return x + ffz(val);
 	}
 
-	return x;
+	/*
+	 * If we get here, then x == 128 and we are incrementing the counter
+	 * from all ones to all zeros. This means we must return index 127, i.e.
+	 * the one corresponding to key2*{ 1,...,1 }.
+	 */
+	return 127;
 }
 
 static int post_crypt(struct skcipher_request *req)
@@ -313,7 +318,7 @@ static void exit_crypt(struct skcipher_request *req)
 	rctx->left = 0;
 
 	if (rctx->ext)
-		kfree(rctx->ext);
+		kzfree(rctx->ext);
 }
 
 static int do_encrypt(struct skcipher_request *req, int err)