Commit 6548fae2 authored May 07, 2015 by Al Viro

namei: make put_link() RCU-safe



very simple - just make path_put() conditional on !RCU.
Note that right now it doesn't get called in RCU mode -
we leave it before getting anything into stack.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent ecc087ff

fs/namei.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -750,6 +750,7 @@ static inline void put_link(struct nameidata *nd)
		struct inode *inode = last->inode;
		if (last->cookie && inode->i_op->put_link)
		inode->i_op->put_link(inode, last->cookie);
		if (!(nd->flags & LOOKUP_RCU))
		path_put(&last->link);
		}