From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 1 Oct 2018 16:44:41 +0000 (+0300)
Subject: mei: samples: fix a signedness bug in amt_host_if_call()
X-Git-Tag: v4.9.203~54
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a87ccca317a82577e856d14131d2bb4b868d4097;p=platform%2Fkernel%2Flinux-amlogic.git

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 bb9988914a56..32234481ad7d 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;