fuse: fix missing fput on error

Fix the leaking file reference if allocation or initialization of
fuse_conn failed.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@kernel.org

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 47c96fdca1ac69afbf7f7eb841a9a50690754ee7..6893717b6536271459e89f7003d5c4c9dbe7bac2 100644 (file)
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -829,15 +829,20 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
        if (!file)
                return -EINVAL;
 
-       if (file->f_op != &fuse_dev_operations)
+       if (file->f_op != &fuse_dev_operations) {
+               fput(file);
                return -EINVAL;
+       }
 
        fc = kmalloc(sizeof(*fc), GFP_KERNEL);
-       if (!fc)
+       if (!fc) {
+               fput(file);
                return -ENOMEM;
+       }
 
        err = fuse_conn_init(fc, sb);
        if (err) {
+               fput(file);
                kfree(fc);
                return err;
        }