[PATCH AUTOSEL for 4.14 056/110] crypto: inside-secure - free requests even if their handling failed

From: Sasha Levin
Date: Sat Feb 03 2018 - 13:36:38 EST


From: Antoine TÃnart <antoine.tenart@xxxxxxxxxxxxxxxxxx>

[ Upstream commit 0a02dcca126280595950f3ea809f77c9cb0a235c ]

This patch frees the request private data even if its handling failed,
as it would never be freed otherwise.

Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@xxxxxxxxxxx>
Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
drivers/crypto/inside-secure/safexcel.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 89ba9e85c0f3..4bcef78a08aa 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -607,6 +607,7 @@ static inline void safexcel_handle_result_descriptor(struct safexcel_crypto_priv
ndesc = ctx->handle_result(priv, ring, sreq->req,
&should_complete, &ret);
if (ndesc < 0) {
+ kfree(sreq);
dev_err(priv->dev, "failed to handle result (%d)", ndesc);
return;
}
--
2.11.0