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authorAbhi Das <adas@redhat.com>2014-03-31 10:33:17 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2014-03-31 16:41:39 +0100
commit059788039f1e6343f34f46d202f8d9f2158c2783 (patch)
treef122d85bf11e42c4b1babb1b720df747386ba95d /fs/gfs2/super.c
parente9fb7c73a43e0551e689b7024f1581af5fa36a03 (diff)
downloadlinux-059788039f1e6343f34f46d202f8d9f2158c2783.tar.bz2
GFS2: Fix uninitialized VFS inode in gfs2_create_inode
When gfs2_create_inode() fails due to quota violation, the VFS inode is not completely uninitialized. This can cause a list corruption error. This patch correctly uninitializes the VFS inode when a quota violation occurs in the gfs2_create_inode codepath. Resolves: rhbz#1059808 Signed-off-by: Abhi Das <adas@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/super.c')
-rw-r--r--fs/gfs2/super.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index a08c66e270bf..29cacd57516a 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1248,7 +1248,7 @@ static int gfs2_drop_inode(struct inode *inode)
{
struct gfs2_inode *ip = GFS2_I(inode);
- if (inode->i_nlink) {
+ if (!test_bit(GIF_FREE_VFS_INODE, &ip->i_flags) && inode->i_nlink) {
struct gfs2_glock *gl = ip->i_iopen_gh.gh_gl;
if (gl && test_bit(GLF_DEMOTE, &gl->gl_flags))
clear_nlink(inode);
@@ -1463,6 +1463,11 @@ static void gfs2_evict_inode(struct inode *inode)
struct gfs2_holder gh;
int error;
+ if (test_bit(GIF_FREE_VFS_INODE, &ip->i_flags)) {
+ clear_inode(inode);
+ return;
+ }
+
if (inode->i_nlink || (sb->s_flags & MS_RDONLY))
goto out;