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Commit b3d58eaf authored by Al Viro's avatar Al Viro
Browse files

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: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 0fb1ea09
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+2 −0
Original line number Diff line number Diff line
@@ -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;