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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-11-21 10:38:13 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-11-21 10:38:13 +0000
commit851462444d421c223965b12b836bef63da61b57f (patch)
tree495baa14e638817941496c36e1443aed7dae0ea0 /fs/gfs2/export.c
parent5a6ea4af0907f995dc06df21a9c9ef764c7cd3bc (diff)
parent6924d99fcdf1a688538a3cdebd1f135c22eec191 (diff)
downloadop-kernel-dev-851462444d421c223965b12b836bef63da61b57f.zip
op-kernel-dev-851462444d421c223965b12b836bef63da61b57f.tar.gz
Merge branch 'for-3.7' of git://git.infradead.org/users/dedekind/l2-mtd
Conflicts: drivers/mtd/nand/nand_base.c
Diffstat (limited to 'fs/gfs2/export.c')
-rw-r--r--fs/gfs2/export.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index e8ed6d4..4767774 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -161,6 +161,8 @@ static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid,
case GFS2_SMALL_FH_SIZE:
case GFS2_LARGE_FH_SIZE:
case GFS2_OLD_FH_SIZE:
+ if (fh_len < GFS2_SMALL_FH_SIZE)
+ return NULL;
this.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
this.no_formal_ino |= be32_to_cpu(fh[1]);
this.no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
@@ -180,6 +182,8 @@ static struct dentry *gfs2_fh_to_parent(struct super_block *sb, struct fid *fid,
switch (fh_type) {
case GFS2_LARGE_FH_SIZE:
case GFS2_OLD_FH_SIZE:
+ if (fh_len < GFS2_LARGE_FH_SIZE)
+ return NULL;
parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
parent.no_formal_ino |= be32_to_cpu(fh[5]);
parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
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