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Avoid uninitialized variant compile warning

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When we compile btrfs-progs in RHEL5(with default gcc version 4.1.2 20070626),
we can get following error:

cc1: warnings being treated as errors
btrfs-list.c: In function 'find_updated_files':
btrfs-list.c:668: warning: 'disk_offset' may be used uninitialized in this function
btrfs-list.c:667: warning: 'disk_start' may be used uninitialized in this function
btrfs-list.c:666: warning: 'len' may be used uninitialized in this function
make: *** [btrfs-list.o] Error 1

These varient are always initialized except inconsistent data in file system.
We can set initial value for these variant for this situation.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
This commit is contained in:
Zhao Lei 2010-09-09 13:50:26 +08:00 committed by Chris Mason
parent 6c94ed2479
commit 6ac03d3a28
1 changed files with 3 additions and 3 deletions
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btrfs-list.c
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@ -663,9 +663,9 @@ static int print_one_extent(int fd, struct btrfs_ioctl_search_header *sh,
char **cache_dir_name, u64 *cache_ino,
char **cache_full_name)
{
u64 len;
u64 disk_start;
u64 disk_offset;
u64 len = 0;
u64 disk_start = 0;
u64 disk_offset = 0;
u8 type;
int compressed = 0;
int flags = 0;