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authorFelix Kuehling <Felix.Kuehling@amd.com>2019-12-19 22:36:55 -0500
committerAlex Deucher <alexander.deucher@amd.com>2020-01-07 11:54:30 -0500
commit2bdac179e217a0c0b548a8c60524977586621b19 (patch)
tree84bd31ffa9b79b58edf15fedbe4a7cbf45db411f /drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
parentdrm/amdgpu: add DRIVER_SYNCOBJ_TIMELINE to amdgpu (diff)
downloadwireguard-linux-2bdac179e217a0c0b548a8c60524977586621b19.tar.xz
wireguard-linux-2bdac179e217a0c0b548a8c60524977586621b19.zip
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
index 15c523027285..511712c2e382 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
@@ -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);
}