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Date: Sat, 7 Mar 2020 22:02:45 +0800 From: Leon He <hexiaolong2008@...il.com> To: shuah@...nel.org, sumit.semwal@...aro.org Cc: linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org, Leon He <leon.he@...soc.com> Subject: [v2] dma-buf: heaps: bugfix for selftest failure From: Leon He <leon.he@...soc.com> There are two errors in the dmabuf-heap selftest: 1. The 'char name[5]' was not initialized to zero, which will cause strcmp(name, "vgem") failed in check_vgem(). 2. The return value of test_alloc_errors() should be reversed, other- wise the while loop in main() will be broken. Signed-off-by: Leon He <leon.he@...soc.com> --- tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c index cd5e1f6..836b185 100644 --- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c +++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c @@ -22,7 +22,7 @@ static int check_vgem(int fd) { drm_version_t version = { 0 }; - char name[5]; + char name[5] = { 0 }; int ret; version.name_len = 4; @@ -357,7 +357,7 @@ static int test_alloc_errors(char *heap_name) if (heap_fd >= 0) close(heap_fd); - return ret; + return !ret; } int main(void) -- 2.7.4
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