Merge remote-tracking branch 'stable/linux-3.0.y' into develop-3.0

[firefly-linux-kernel-4.4.55.git] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index 883e98f78ca97a714175be2ad807d08da7ce9d0f..df31a4432938383e397c8566792092097a7c15d7 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2348,12 +2348,14 @@ static struct dentry *shmem_fh_to_dentry(struct super_block *sb,
 {
        struct inode *inode;
        struct dentry *dentry = NULL;
-       u64 inum = fid->raw[2];
-       inum = (inum << 32) | fid->raw[1];
+       u64 inum;
 
        if (fh_len < 3)
                return NULL;
 
+       inum = fid->raw[2];
+       inum = (inum << 32) | fid->raw[1];
+
        inode = ilookup5(sb, (unsigned long)(inum + fid->raw[0]),
                        shmem_match, fid->raw);
        if (inode) {