linux-kernel - [PATCH AUTOSEL 5.6 13/41] kselftests: dmabuf-heaps: Fix confused return value on expected error testing

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Date:   Fri, 22 May 2020 10:49:30 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     John Stultz <john.stultz@...aro.org>,
        Shuah Khan <shuah@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Brian Starkey <brian.starkey@....com>,
        Laura Abbott <labbott@...hat.com>,
        "Andrew F. Davis" <afd@...com>, linux-kselftest@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, linux-api@...r.kernel.org
Subject: [PATCH AUTOSEL 5.6 13/41] kselftests: dmabuf-heaps: Fix confused return value on expected error testing

From: John Stultz <john.stultz@...aro.org>

[ Upstream commit 4bb9d46d47b105a774f9dca642f5271375bca4b2 ]

When I added the expected error testing, I forgot I need to set
the return to zero when we successfully see an error.

Without this change we only end up testing a single heap
before the test quits.

Cc: Shuah Khan <shuah@...nel.org>
Cc: Sumit Semwal <sumit.semwal@...aro.org>
Cc: Benjamin Gaignard <benjamin.gaignard@...aro.org>
Cc: Brian Starkey <brian.starkey@....com>
Cc: Laura Abbott <labbott@...hat.com>
Cc: "Andrew F. Davis" <afd@...com>
Cc: linux-kselftest@...r.kernel.org
Signed-off-by: John Stultz <john.stultz@...aro.org>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
index cd5e1f602ac9..909da9cdda97 100644
--- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
+++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
@@ -351,6 +351,7 @@ static int test_alloc_errors(char *heap_name)
 	}
 
 	printf("Expected error checking passed\n");
+	ret = 0;
 out:
 	if (dmabuf_fd >= 0)
 		close(dmabuf_fd);
-- 
2.25.1