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-rw-r--r--mm/shmem.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 5ee67c990602..3437b65d6d6e 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2144,8 +2144,10 @@ static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
{
struct inode *inode = dentry->d_inode;
- if (*len < 3)
+ if (*len < 3) {
+ *len = 3;
return 255;
+ }
if (inode_unhashed(inode)) {
/* Unfortunately insert_inode_hash is not idempotent,