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path: root/drivers/gpu/drm/msm/msm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_debugfs.c')
-rw-r--r--drivers/gpu/drm/msm/msm_debugfs.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c
index f0da0d3c8a80..fb423d309e91 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -84,7 +84,7 @@ static int msm_gpu_open(struct inode *inode, struct file *file)
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
- return ret;
+ goto free_priv;
pm_runtime_get_sync(&gpu->pdev->dev);
show_priv->state = gpu->funcs->gpu_state_get(gpu);
@@ -94,13 +94,20 @@ static int msm_gpu_open(struct inode *inode, struct file *file)
if (IS_ERR(show_priv->state)) {
ret = PTR_ERR(show_priv->state);
- kfree(show_priv);
- return ret;
+ goto free_priv;
}
show_priv->dev = dev;
- return single_open(file, msm_gpu_show, show_priv);
+ ret = single_open(file, msm_gpu_show, show_priv);
+ if (ret)
+ goto free_priv;
+
+ return 0;
+
+free_priv:
+ kfree(show_priv);
+ return ret;
}
static const struct file_operations msm_gpu_fops = {
@@ -194,13 +201,13 @@ static int late_init_minor(struct drm_minor *minor)
ret = msm_rd_debugfs_init(minor);
if (ret) {
- dev_err(minor->dev->dev, "could not install rd debugfs\n");
+ DRM_DEV_ERROR(minor->dev->dev, "could not install rd debugfs\n");
return ret;
}
ret = msm_perf_debugfs_init(minor);
if (ret) {
- dev_err(minor->dev->dev, "could not install perf debugfs\n");
+ DRM_DEV_ERROR(minor->dev->dev, "could not install perf debugfs\n");
return ret;
}
@@ -228,14 +235,14 @@ int msm_debugfs_init(struct drm_minor *minor)
minor->debugfs_root, minor);
if (ret) {
- dev_err(dev->dev, "could not install msm_debugfs_list\n");
+ DRM_DEV_ERROR(dev->dev, "could not install msm_debugfs_list\n");
return ret;
}
debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
dev, &msm_gpu_fops);
- if (priv->kms->funcs->debugfs_init) {
+ if (priv->kms && priv->kms->funcs->debugfs_init) {
ret = priv->kms->funcs->debugfs_init(priv->kms, minor);
if (ret)
return ret;