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dmatest: remove IS_ERR_OR_NULL checks of debugfs calls

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There is a really little chance when we are able to create a directory and are
not able to create nodes under it. So, this patch just removes those checks.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <djbw@fb.com>
This commit is contained in:
Andy Shevchenko 2013-07-23 18:36:47 +03:00 committed by Dan Williams
parent a6c268d033
commit e24775e41f
1 changed files with 5 additions and 12 deletions
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17
drivers/dma/dmatest.c
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@ -1131,7 +1131,6 @@ static const struct file_operations dtf_results_fops = {
static int dmatest_register_dbgfs(struct dmatest_info *info)
{
struct dentry *d;
int ret = -ENOMEM;
d = debugfs_create_dir("dmatest", NULL);
if (IS_ERR(d))
@ -1142,24 +1141,18 @@ static int dmatest_register_dbgfs(struct dmatest_info *info)
info->root = d;
/* Run or stop threaded test */
d = debugfs_create_file("run", S_IWUSR | S_IRUGO, info->root,
info, &dtf_run_fops);
if (IS_ERR_OR_NULL(d))
goto err_node;
debugfs_create_file("run", S_IWUSR | S_IRUGO, info->root, info,
&dtf_run_fops);
/* Results of test in progress */
d = debugfs_create_file("results", S_IRUGO, info->root, info,
&dtf_results_fops);
if (IS_ERR_OR_NULL(d))
goto err_node;
debugfs_create_file("results", S_IRUGO, info->root, info,
&dtf_results_fops);
return 0;
err_node:
debugfs_remove_recursive(info->root);
err_root:
pr_err("dmatest: Failed to initialize debugfs\n");
return ret;
return -ENOMEM;
}
static int __init dmatest_init(void)