[PATCH] btrfs: Fixed declaration of old_len

From: Alexandru Moise
Date: Mon Aug 24 2015 - 14:56:49 EST

old_len is used to store the return value of btrfs_item_size_nr().
The return value of btrfs_item_size_nr() is of type u32.
To improve code correctness and avoid mixing signed and unsigned
integers I've changed old_len to be of type u32 as well.

Signed-off-by: Alexandru Moise <00moses.alexander00@xxxxxxxxx>
fs/btrfs/root-tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 360a728..024ea4f 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -141,7 +141,7 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
int ret;
int slot;
unsigned long ptr;
- int old_len;
+ u32 old_len;

path = btrfs_alloc_path();
if (!path)

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