[PATCH libdrm] amdgpu: Fix a structure initialization issue

Zhang, Hawking Hawking.Zhang at amd.com
Thu Apr 11 13:24:40 UTC 2019


Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Pan, Xinhui
Sent: 2019年4月11日 19:42
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH libdrm] amdgpu: Fix a structure initialization issue

struct drmPciBusInfo has been aligned to 6 bytes. So memcmp will access the last byte which is not initialized. That causes the lookup function fails.

Signed-off-by: xinhui pan <xinhui.pan at amd.com>
---
 tests/amdgpu/ras_tests.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/amdgpu/ras_tests.c b/tests/amdgpu/ras_tests.c index 612ad1d7..ebe774fc 100644
--- a/tests/amdgpu/ras_tests.c
+++ b/tests/amdgpu/ras_tests.c
@@ -190,7 +190,7 @@ static int amdgpu_ras_lookup_id(drmDevicePtr device)  {
 	char path[1024];
 	char str[128];
-	drmPciBusInfo info;
+	drmPciBusInfo info = {0};
 	int i;
 	int ret;
 
--
2.17.1

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