Fix debugfs_create_file's error checking method for arch/sh/mm/
debugfs_create_file() returns NULL if an error occurs, returns -ENODEV when debugfs is not enabled in the kernel. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
9986b311ef
commit
25627c7fd7
|
@ -130,12 +130,18 @@ static int __init cache_debugfs_init(void)
|
|||
dcache_dentry = debugfs_create_file("dcache", S_IRUSR, sh_debugfs_root,
|
||||
(unsigned int *)CACHE_TYPE_DCACHE,
|
||||
&cache_debugfs_fops);
|
||||
if (!dcache_dentry)
|
||||
return -ENOMEM;
|
||||
if (IS_ERR(dcache_dentry))
|
||||
return PTR_ERR(dcache_dentry);
|
||||
|
||||
icache_dentry = debugfs_create_file("icache", S_IRUSR, sh_debugfs_root,
|
||||
(unsigned int *)CACHE_TYPE_ICACHE,
|
||||
&cache_debugfs_fops);
|
||||
if (!icache_dentry) {
|
||||
debugfs_remove(dcache_dentry);
|
||||
return -ENOMEM;
|
||||
}
|
||||
if (IS_ERR(icache_dentry)) {
|
||||
debugfs_remove(dcache_dentry);
|
||||
return PTR_ERR(icache_dentry);
|
||||
|
|
|
@ -394,6 +394,8 @@ static int __init pmb_debugfs_init(void)
|
|||
|
||||
dentry = debugfs_create_file("pmb", S_IFREG | S_IRUGO,
|
||||
sh_debugfs_root, NULL, &pmb_debugfs_fops);
|
||||
if (!dentry)
|
||||
return -ENOMEM;
|
||||
if (IS_ERR(dentry))
|
||||
return PTR_ERR(dentry);
|
||||
|
||||
|
|
Loading…
Reference in a new issue