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drm.7971
0507-drm-amdgpu-potential-uninitialized-variabl...
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File 0507-drm-amdgpu-potential-uninitialized-variable-in-amdgp.patch of Package drm.7971
From d316675a9da4c2bb28a247ad5e1044e5bd0daaf7 Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@oracle.com> Date: Sat, 30 Sep 2017 11:13:28 +0300 Subject: [PATCH] drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 40a9960b046290939b56ce8e51f365258f27f264 upstream. We shifted some code around in commit 9cca0b8e5df0 ("drm/amdgpu: move amdgpu_cs_sysvm_access_required into find_mapping") and now my static checker complains that "r" might not be initialized at the end of the function. I've reviewed the code, and that seems possible, but it's also possible I may have missed something. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -648,7 +648,7 @@ int amdgpu_vce_ring_parse_cs(struct amdg uint32_t allocated = 0; uint32_t tmp, handle = 0; uint32_t *size = &tmp; - int i, r, idx = 0; + int i, r = 0, idx = 0; r = amdgpu_cs_sysvm_access_required(p); if (r)
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