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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-01-15 17:49:25 +0000 |
|---|---|---|
| committer | Andreas Blaesius <skate4life@gmx.de> | 2016-10-27 10:30:56 +0200 |
| commit | 9156f1702fafc46af58706ba702540d12a2bf940 (patch) | |
| tree | 8ae8c57f81ce2699162d02be8280035801265bdc /fs/afs | |
| parent | a87c327668a67235a458f5c132661b44469585a8 (diff) | |
| download | kernel_samsung_espresso10-9156f1702fafc46af58706ba702540d12a2bf940.zip kernel_samsung_espresso10-9156f1702fafc46af58706ba702540d12a2bf940.tar.gz kernel_samsung_espresso10-9156f1702fafc46af58706ba702540d12a2bf940.tar.bz2 | |
vfs: new internal helper: mnt_has_parent(mnt)
vfsmounts have ->mnt_parent pointing either to a different vfsmount
or to itself; it's never NULL and termination condition in loops
traversing the tree towards root is mnt == mnt->mnt_parent. At least
one place (see the next patch) is confused about what's going on;
let's add an explicit helper checking it right way and use it in
all places where we need it. Not that there had been too many,
but...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
(cherry picked from commit b2dba1af3c4157040303a76d25216b1713d333d0)
CVE-2014-7970
BugLink: http://bugs.launchpad.net/bugs/1383356
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Change-Id: Iaa5ab510804f3b17fe71197b8919d663a416bf05
Diffstat (limited to 'fs/afs')
0 files changed, 0 insertions, 0 deletions