aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_export.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_export.c')
-rw-r--r--fs/xfs/xfs_export.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index 42679223a0f..a83611849ce 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -29,6 +29,7 @@
#include "xfs_inode.h"
#include "xfs_inode_item.h"
#include "xfs_trace.h"
+#include "xfs_icache.h"
/*
* Note that we only accept fileids which are long enough rather than allow
@@ -189,6 +190,9 @@ xfs_fs_fh_to_parent(struct super_block *sb, struct fid *fid,
struct xfs_fid64 *fid64 = (struct xfs_fid64 *)fid;
struct inode *inode = NULL;
+ if (fh_len < xfs_fileid_length(fileid_type))
+ return NULL;
+
switch (fileid_type) {
case FILEID_INO32_GEN_PARENT:
inode = xfs_nfs_get_inode(sb, fid->i32.parent_ino,