diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2026-03-10 18:28:29 +0900 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2026-03-22 11:17:58 +0900 |
| commit | 2aeec9af775fb53aa086419b953302c6f4ad4984 (patch) | |
| tree | 57b98dc976c9b8057e79c2e3f1b16a79f1fc8a75 /drivers/crypto | |
| parent | 326118443ec3de85708a2678dcc2c14eea417228 (diff) | |
| download | lwn-2aeec9af775fb53aa086419b953302c6f4ad4984.tar.gz lwn-2aeec9af775fb53aa086419b953302c6f4ad4984.zip | |
crypto: tegra - Disable softirqs before finalizing request
Softirqs must be disabled when calling the finalization fucntion on
a request.
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Fixes: 0880bb3b00c8 ("crypto: tegra - Add Tegra Security Engine driver")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/tegra/tegra-se-aes.c | 9 | ||||
| -rw-r--r-- | drivers/crypto/tegra/tegra-se-hash.c | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/crypto/tegra/tegra-se-aes.c b/drivers/crypto/tegra/tegra-se-aes.c index 0e07d0523291..8b91f00b9c31 100644 --- a/drivers/crypto/tegra/tegra-se-aes.c +++ b/drivers/crypto/tegra/tegra-se-aes.c @@ -4,6 +4,7 @@ * Crypto driver to handle block cipher algorithms using NVIDIA Security Engine. */ +#include <linux/bottom_half.h> #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/module.h> @@ -333,7 +334,9 @@ out: tegra_key_invalidate_reserved(ctx->se, key2_id, ctx->alg); out_finalize: + local_bh_disable(); crypto_finalize_skcipher_request(se->engine, req, ret); + local_bh_enable(); return 0; } @@ -1261,7 +1264,9 @@ out_free_inbuf: tegra_key_invalidate_reserved(ctx->se, rctx->key_id, ctx->alg); out_finalize: + local_bh_disable(); crypto_finalize_aead_request(ctx->se->engine, req, ret); + local_bh_enable(); return 0; } @@ -1347,7 +1352,9 @@ out_free_inbuf: tegra_key_invalidate_reserved(ctx->se, rctx->key_id, ctx->alg); out_finalize: + local_bh_disable(); crypto_finalize_aead_request(ctx->se->engine, req, ret); + local_bh_enable(); return 0; } @@ -1745,7 +1752,9 @@ out: if (tegra_key_is_reserved(rctx->key_id)) tegra_key_invalidate_reserved(ctx->se, rctx->key_id, ctx->alg); + local_bh_disable(); crypto_finalize_hash_request(se->engine, req, ret); + local_bh_enable(); return 0; } diff --git a/drivers/crypto/tegra/tegra-se-hash.c b/drivers/crypto/tegra/tegra-se-hash.c index 4a298ace6e9f..79f1e5c9b729 100644 --- a/drivers/crypto/tegra/tegra-se-hash.c +++ b/drivers/crypto/tegra/tegra-se-hash.c @@ -4,6 +4,7 @@ * Crypto driver to handle HASH algorithms using NVIDIA Security Engine. */ +#include <linux/bottom_half.h> #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/module.h> @@ -546,7 +547,9 @@ static int tegra_sha_do_one_req(struct crypto_engine *engine, void *areq) } out: + local_bh_disable(); crypto_finalize_hash_request(se->engine, req, ret); + local_bh_enable(); return 0; } |