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Commit e276ae67 authored May 21, 2012 by Miklos Szeredi Committed by Al Viro Jun 01, 2012

vfs: do_last(): make exit RCU safe



Allow returning from do_last() with LOOKUP_RCU still set on the "out:" and
"exit:" labels.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent 697f514d

fs/namei.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2383,7 +2383,7 @@ static struct file do_last(struct nameidata nd, struct path *path,
	out:		out:
	if (want_write)		if (want_write)
	mnt_drop_write(nd->path.mnt);		mnt_drop_write(nd->path.mnt);
	path_put(&nd->path);		terminate_walk(nd);
	return filp;		return filp;

	exit_mutex_unlock:		exit_mutex_unlock: