The kernfs_get_inode() returns NULL on error, it never returns error pointers.
Fixes: aa8188253474 ("kernfs: add exportfs operations") Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com> diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index 7c452f4d83e9..95a7c88baed9 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -99,8 +99,8 @@ static struct inode *kernfs_fh_get_inode(struct super_block *sb, return ERR_PTR(-ESTALE); inode = kernfs_get_inode(sb, kn); kernfs_put(kn); - if (IS_ERR(inode)) - return ERR_CAST(inode); + if (!inode) + return ERR_PTR(-ESTALE); if (generation && inode->i_generation != generation) { /* we didn't find the right inode.. */