[JFFS2] Fix race in setting file attributes
authorDmitry Bazhenov <atrey@emcraft.com>
Fri, 5 May 2006 21:46:49 +0000 (22:46 +0100)
committerDavid Woodhouse <dwmw2@infradead.org>
Fri, 5 May 2006 21:46:49 +0000 (22:46 +0100)
commit422138dd68202fbd8ca9fb0df65e92d733249374
tree6991cf489ef3fa040309c2e715e02d61632fa7d4
parentedc4ff7c08e9885c40e60c4fb39fa42cc91a0602
[JFFS2] Fix race in setting file attributes

It seems like there is a potential race in the function jffs2_do_setattr()
in the case when attributes of a symlink are updated. The symlink metadata
is read without having f->sem locked.

The following patch should fix the race.

Signed-off-by: Dmitry Bazhenov <atrey@emcraft.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
fs/jffs2/fs.c