This is a note to let you know that I've just added the patch titled
crypto: sahara - fix wait_for_completion_timeout() error handling
to the 6.6-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-sahara-fix-wait_for_completion_timeout-error-.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit ef4087352f46d5d16f088ffa078fdf7de530fa11
Author: Ovidiu Panait <ovidiu.panait@xxxxxxxxxxxxx>
Date: Sun Dec 24 10:21:33 2023 +0200
crypto: sahara - fix wait_for_completion_timeout() error handling
[ Upstream commit 2dba8e1d1a7957dcbe7888846268538847b471d1 ]
The sg lists are not unmapped in case of timeout errors. Fix this.
Fixes: 5a2bb93f5992 ("crypto: sahara - add support for SHA1/256")
Fixes: 5de8875281e1 ("crypto: sahara - Add driver for SAHARA2 accelerator.")
Signed-off-by: Ovidiu Panait <ovidiu.panait@xxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index 80d419d6a609..86ff5add2e15 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -607,16 +607,17 @@ static int sahara_aes_process(struct skcipher_request *req)
timeout = wait_for_completion_timeout(&dev->dma_completion,
msecs_to_jiffies(SAHARA_TIMEOUT_MS));
- if (!timeout) {
- dev_err(dev->device, "AES timeout\n");
- return -ETIMEDOUT;
- }
dma_unmap_sg(dev->device, dev->out_sg, dev->nb_out_sg,
DMA_FROM_DEVICE);
dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg,
DMA_TO_DEVICE);
+ if (!timeout) {
+ dev_err(dev->device, "AES timeout\n");
+ return -ETIMEDOUT;
+ }
+
if ((dev->flags & FLAGS_CBC) && req->iv)
sahara_aes_cbc_update_iv(req);
@@ -1007,15 +1008,16 @@ static int sahara_sha_process(struct ahash_request *req)
timeout = wait_for_completion_timeout(&dev->dma_completion,
msecs_to_jiffies(SAHARA_TIMEOUT_MS));
- if (!timeout) {
- dev_err(dev->device, "SHA timeout\n");
- return -ETIMEDOUT;
- }
if (rctx->sg_in_idx)
dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg,
DMA_TO_DEVICE);
+ if (!timeout) {
+ dev_err(dev->device, "SHA timeout\n");
+ return -ETIMEDOUT;
+ }
+
memcpy(rctx->context, dev->context_base, rctx->context_size);
if (req->result && rctx->last)
