diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2019-12-19 22:36:55 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-24 08:36:43 +0100 |
| commit | 010cdc1be053680abdbac3a98d57c65a43ba42b6 (patch) | |
| tree | 5c88cb8532d11b8c7dd2d4ee74a0e64dce08f653 /drivers/gpu/drm/amd/amdkfd | |
| parent | 960671ac5065f5cec78d59cf2a5a62a5ca241821 (diff) | |
drm/amdkfd: Fix permissions of hang_hws
[ Upstream commit 2bdac179e217a0c0b548a8c60524977586621b19 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c | 2 |
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); } |