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radv: fix possible stack corruption

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drmGetDevices2 takes count and not size. Probably hasn't caused problems
yet in practice and was missed as setups with more than 8 DRM devices
are not very common.

Fixes: 743315f2 "radv: do not open random render node(s)"
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit 898cbb491b)
This commit is contained in:
Grazvydas Ignotas 2017-05-02 19:41:13 +03:00 • committed by Emil Velikov
parent 7bbece985e
commit 64b98a1e72
1 changed files with 1 additions and 1 deletions
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2
src/amd/vulkan/radv_device.c
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@ -401,7 +401,7 @@ radv_enumerate_devices(struct radv_instance *instance)
instance->physicalDeviceCount = 0;
max_devices = drmGetDevices2(0, devices, sizeof(devices));
max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
if (max_devices < 1)
return VK_ERROR_INCOMPATIBLE_DRIVER;