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authorNirmoy Das <nirmoy.das@amd.com>2021-09-02 13:27:56 +0200
committerAlex Deucher <alexander.deucher@amd.com>2021-09-14 16:21:15 -0400
commitb04ce53eac2fc326290817a6f64a440b5bffd2e3 (patch)
tree861120caae4692bda461b13dde9a55d9bc6d37d4 /drivers/gpu
parent7bbee36d71502ab9a341505da89a017c7ae2e6b2 (diff)
drm/amdgpu: use IS_ERR for debugfs APIs
debugfs APIs returns encoded error so use IS_ERR for checking return value. v2: return PTR_ERR(ent) References: https://gitlab.freedesktop.org/drm/amd/-/issues/1686 Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-By: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c4
2 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 277128846dd1..463b9c0283f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -1544,20 +1544,18 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
struct dentry *ent;
int r, i;
-
-
ent = debugfs_create_file("amdgpu_preempt_ib", 0600, root, adev,
&fops_ib_preempt);
- if (!ent) {
+ if (IS_ERR(ent)) {
DRM_ERROR("unable to create amdgpu_preempt_ib debugsfs file\n");
- return -EIO;
+ return PTR_ERR(ent);
}
ent = debugfs_create_file("amdgpu_force_sclk", 0200, root, adev,
&fops_sclk_set);
- if (!ent) {
+ if (IS_ERR(ent)) {
DRM_ERROR("unable to create amdgpu_set_sclk debugsfs file\n");
- return -EIO;
+ return PTR_ERR(ent);
}
/* Register debugfs entries for amdgpu_ttm */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 7b634a1517f9..0554576d3695 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -428,8 +428,8 @@ int amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
ent = debugfs_create_file(name,
S_IFREG | S_IRUGO, root,
ring, &amdgpu_debugfs_ring_fops);
- if (!ent)
- return -ENOMEM;
+ if (IS_ERR(ent))
+ return PTR_ERR(ent);
i_size_write(ent->d_inode, ring->ring_size + 12);
ring->ent = ent;