This is a note to let you know that I've just added the patch titled crypto: sun4i-ss - initialize need_fallback to the 5.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: crypto-sun4i-ss-initialize-need_fallback.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 4ec8977b921fd9d512701e009ce8082cb94b5c1c Mon Sep 17 00:00:00 2001 From: Corentin Labbe <clabbe@xxxxxxxxxxxx> Date: Mon, 14 Dec 2020 20:02:29 +0000 Subject: crypto: sun4i-ss - initialize need_fallback From: Corentin Labbe <clabbe@xxxxxxxxxxxx> commit 4ec8977b921fd9d512701e009ce8082cb94b5c1c upstream. The need_fallback is never initialized and seem to be always true at runtime. So all hardware operations are always bypassed. Fixes: 0ae1f46c55f87 ("crypto: sun4i-ss - fallback when length is not multiple of blocksize") Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c @@ -194,7 +194,7 @@ static int sun4i_ss_cipher_poll(struct s unsigned int obo = 0; /* offset in bufo*/ unsigned int obl = 0; /* length of data in bufo */ unsigned long flags; - bool need_fallback; + bool need_fallback = false; if (!areq->cryptlen) return 0; Patches currently in stable-queue which might be from clabbe@xxxxxxxxxxxx are queue-5.11/crypto-sun4i-ss-initialize-need_fallback.patch queue-5.11/crypto-sun4i-ss-iv-register-does-not-work-on-a10-and-a13.patch queue-5.11/crypto-sun4i-ss-linearize-buffers-content-must-be-ke.patch queue-5.11/crypto-sun4i-ss-handle-bigendian-for-cipher.patch queue-5.11/crypto-sun4i-ss-fix-kmap-usage.patch queue-5.11/crypto-sun4i-ss-checking-sg-length-is-not-sufficient.patch