mirror of
https://github.com/torvalds/linux
synced 2024-09-06 09:51:23 +00:00
atomic_open(): be paranoid about may_open() return value
It should never return positives; however, with Linux S&M crowd involved, no bogosity is impossible. Results would be unpleasant... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
0fb1ea0933
commit
b3d58eaffb
|
@ -2920,6 +2920,8 @@ static int atomic_open(struct nameidata *nd, struct dentry *dentry,
|
|||
acc_mode = 0;
|
||||
}
|
||||
error = may_open(&file->f_path, acc_mode, open_flag);
|
||||
if (WARN_ON(error > 0))
|
||||
error = -EINVAL;
|
||||
out:
|
||||
dput(dentry);
|
||||
return error;
|
||||
|
|
Loading…
Reference in a new issue