Re: [PATCH] virtio-crypto: Fix an error handling path in virtio_crypto_alg_skcipher_close_session()

From: zhenwei pi
Date: Sun May 22 2022 - 20:04:36 EST




On 5/22/22 21:07, Christophe JAILLET wrote:
Now that a private buffer is allocated (see commit in the Fixes tag),
it must be released in all error handling paths.

Add the missing goto to avoid a leak in the error handling path.

Fixes: 42e6ac99e417 ("virtio-crypto: use private buffer for control request")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/crypto/virtio/virtio_crypto_skcipher_algs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
index e553ccadbcbc..e5876286828b 100644
--- a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
@@ -239,7 +239,8 @@ static int virtio_crypto_alg_skcipher_close_session(
pr_err("virtio_crypto: Close session failed status: %u, session_id: 0x%llx\n",
ctrl_status->status, destroy_session->session_id);
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}
err = 0;


This looks good to me, thanks!
Acked-by: zhenwei pi <pizhenwei@xxxxxxxxxxxxx>

--
zhenwei pi