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drm/msm/gpu: Fix a couple memory leaks in debugfs 

The msm_gpu_open() function should free "show_priv" on error or it
causes static checker warnings.

Fixes: 4f776f4511 ("drm/msm/gpu: Convert the GPU show function to use the GPU state")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
This commit is contained in:
Dan Carpenter 2018-10-13 13:28:06 +03:00 committed by Sean Paul
parent 482f96324a
commit 51270de914
1 changed files with 11 additions and 4 deletions
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15
drivers/gpu/drm/msm/msm_debugfs.c
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@ -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 = {