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btrfs: Fixed declaration of old_len

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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.

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Alexandru Moise 2015-08-24 21:56:28 +00:00 committed by David Sterba
parent ce0eac2a1d
commit 0412e58c6d
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/root-tree.c
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@ -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)