[PATCH 4.9 169/222] mei: samples: fix a signedness bug in amt_host_if_call()

From: Greg Kroah-Hartman
Date: Fri Nov 22 2019 - 05:48:59 EST


From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

[ Upstream commit 185647813cac080453cb73a2e034a8821049f2a7 ]

"out_buf_sz" needs to be signed for the error handling to work.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
samples/mei/mei-amt-version.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/mei/mei-amt-version.c b/samples/mei/mei-amt-version.c
index bb9988914a563..32234481ad7db 100644
--- a/samples/mei/mei-amt-version.c
+++ b/samples/mei/mei-amt-version.c
@@ -370,7 +370,7 @@ static uint32_t amt_host_if_call(struct amt_host_if *acmd,
unsigned int expected_sz)
{
uint32_t in_buf_sz;
- uint32_t out_buf_sz;
+ ssize_t out_buf_sz;
ssize_t written;
uint32_t status;
struct amt_host_if_resp_header *msg_hdr;
--
2.20.1