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[04/14] crypto: sahara - improve error handling in sahara_sha_process()

Message ID 20231223181108.3819741-4-ovidiu.panait@windriver.com
State Accepted
Commit 5deff027fca49a1eb3b20359333cf2ae562a2343
Headers show
Series [01/14] crypto: sahara - handle zero-length aes requests | expand

Commit Message

Ovidiu Panait Dec. 23, 2023, 6:10 p.m. UTC 
From: Ovidiu Panait <ovidiu.panait@windriver.com>

sahara_sha_hw_data_descriptor_create() returns negative error codes on
failure, so make sure the errors are correctly handled / propagated.

Fixes: 5a2bb93f5992 ("crypto: sahara - add support for SHA1/256")
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
---
 drivers/crypto/sahara.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index a9abf6439c4b..d49659db6a48 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -985,7 +985,10 @@  static int sahara_sha_process(struct ahash_request *req)
 		return ret;
 
 	if (rctx->first) {
-		sahara_sha_hw_data_descriptor_create(dev, rctx, req, 0);
+		ret = sahara_sha_hw_data_descriptor_create(dev, rctx, req, 0);
+		if (ret)
+			return ret;
+
 		dev->hw_desc[0]->next = 0;
 		rctx->first = 0;
 	} else {
@@ -993,7 +996,10 @@  static int sahara_sha_process(struct ahash_request *req)
 
 		sahara_sha_hw_context_descriptor_create(dev, rctx, req, 0);
 		dev->hw_desc[0]->next = dev->hw_phys_desc[1];
-		sahara_sha_hw_data_descriptor_create(dev, rctx, req, 1);
+		ret = sahara_sha_hw_data_descriptor_create(dev, rctx, req, 1);
+		if (ret)
+			return ret;
+
 		dev->hw_desc[1]->next = 0;
 	}