ext4: error handling fix in ext4_ext_convert_to_initialized()

When allocated is unsigned it breaks the error handling at the end
of the function when we call:
	allocated = ext4_split_extent(...);
	if (allocated < 0)
		err = allocated;

I've made it a signed int instead of unsigned.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8686eb756b38..02a4d80573a1 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2928,7 +2928,8 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
         struct ext4_extent zero_ex;
         struct ext4_extent *ex;
         ext4_lblk_t ee_block, eof_block;
-        unsigned int allocated, ee_len, depth;
+        unsigned int ee_len, depth;
+        int allocated;
         int err = 0;
         int split_flag = 0;