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anv: 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: b1fb6e8d "anv: do not open random render node(s)"
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Grazvydas Ignotas 2017-05-02 19:26:17 +03:00
parent 037ce253b1
commit e0aee8b667
1 changed files with 1 additions and 1 deletions
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2
src/intel/vulkan/anv_device.c
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@ -510,7 +510,7 @@ anv_enumerate_devices(struct anv_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;