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crypto: sun8i-ss - call finalize with bh disabled

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[ Upstream commit b169b37662 ]

Doing ipsec produces a spinlock recursion warning.
This is due to not disabling BH during crypto completion function.

Fixes: f08fcced6d ("crypto: allwinner - Add sun8i-ss cryptographic offloader")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Corentin Labbe 2022-02-21 12:08:29 +00:00 • committed by Greg Kroah-Hartman
commit bf4814d58b
2 changed files with 6 additions and 0 deletions
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3
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
View file

@ -11,6 +11,7 @@
* You could find a link for the datasheet in Documentation/arm/sunxi.rst
*/
#include <linux/bottom_half.h>
#include <linux/crypto.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
@ -271,7 +272,9 @@ static int sun8i_ss_handle_cipher_request(struct crypto_engine *engine, void *ar
struct skcipher_request *breq = container_of(areq, struct skcipher_request, base);
err = sun8i_ss_cipher(breq);
local_bh_disable();
crypto_finalize_skcipher_request(engine, breq, err);
local_bh_enable();
return 0;
}

3
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
View file

@ -9,6 +9,7 @@
*
* You could find the datasheet in Documentation/arm/sunxi.rst
*/
#include <linux/bottom_half.h>
#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
#include <linux/scatterlist.h>
@ -440,6 +441,8 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
theend:
kfree(pad);
kfree(result);
local_bh_disable();
crypto_finalize_hash_request(engine, breq, err);
local_bh_enable();
return 0;
}