Commit 2bdac179 authored Dec 19, 2019 by Felix Kuehling Committed by Alex Deucher Jan 07, 2020

drm/amdkfd: Fix permissions of hang_hws



Reading from /sys/kernel/debug/kfd/hang_hws would cause a kernel
oops because we didn't implement a read callback. Set the permission
to write-only to prevent that.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: shaoyunl <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent b6025eea

drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -93,7 +93,7 @@ void kfd_debugfs_init(void)
		kfd_debugfs_hqds_by_device, &kfd_debugfs_fops);
		debugfs_create_file("rls", S_IFREG \| 0444, debugfs_root,
		kfd_debugfs_rls_by_device, &kfd_debugfs_fops);
		debugfs_create_file("hang_hws", S_IFREG \| 0644, debugfs_root,
		debugfs_create_file("hang_hws", S_IFREG \| 0200, debugfs_root,
		NULL, &kfd_debugfs_hang_hws_fops);
		}

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