mei: samples: fix a signedness bug in amt_host_if_call()

[ Upstream commit 185647813cac080453cb73a2e034a8821049f2a7 ]

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

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/samples/mei/mei-amt-version.c b/samples/mei/mei-amt-version.c
index bb9988914a5637db435ac1026a108a5f3a62cb9a..32234481ad7dbee128cc9c31531b1843baf672b1 100644 (file)
--- 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;