mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-23 20:24:12 +08:00
kprobes: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
4aa3b1f67d
commit
8c0fd1fa64
@ -2570,33 +2570,20 @@ static const struct file_operations fops_kp = {
|
||||
|
||||
static int __init debugfs_kprobe_init(void)
|
||||
{
|
||||
struct dentry *dir, *file;
|
||||
struct dentry *dir;
|
||||
unsigned int value = 1;
|
||||
|
||||
dir = debugfs_create_dir("kprobes", NULL);
|
||||
if (!dir)
|
||||
return -ENOMEM;
|
||||
|
||||
file = debugfs_create_file("list", 0400, dir, NULL,
|
||||
&debugfs_kprobes_operations);
|
||||
if (!file)
|
||||
goto error;
|
||||
debugfs_create_file("list", 0400, dir, NULL,
|
||||
&debugfs_kprobes_operations);
|
||||
|
||||
file = debugfs_create_file("enabled", 0600, dir,
|
||||
&value, &fops_kp);
|
||||
if (!file)
|
||||
goto error;
|
||||
debugfs_create_file("enabled", 0600, dir, &value, &fops_kp);
|
||||
|
||||
file = debugfs_create_file("blacklist", 0400, dir, NULL,
|
||||
&debugfs_kprobe_blacklist_ops);
|
||||
if (!file)
|
||||
goto error;
|
||||
debugfs_create_file("blacklist", 0400, dir, NULL,
|
||||
&debugfs_kprobe_blacklist_ops);
|
||||
|
||||
return 0;
|
||||
|
||||
error:
|
||||
debugfs_remove(dir);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
late_initcall(debugfs_kprobe_init);
|
||||
|
Loading…
Reference in New Issue
Block a user