Btrfs-progs: fix compile warnings

simple compile time warning fixes.

btrfs-calc-size.c: In function ‘print_seek_histogram’:
btrfs-calc-size.c:221: warning: ‘group_start’ may be used uninitialized in this function
btrfs-calc-size.c:223: warning: ‘group_end’ may be used uninitialized in this function

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/btrfs-calc-size.c b/btrfs-calc-size.c
index 1372084..88f92e1 100644 (file)
--- a/btrfs-calc-size.c
+++ b/btrfs-calc-size.c
@@ -218,9 +218,9 @@ static void print_seek_histogram(struct root_stats *stat)
        struct rb_node *n = rb_first(&stat->seek_root);
        struct seek *seek;
        u64 tick_interval;
-       u64 group_start;
+       u64 group_start = 0;
        u64 group_count = 0;
-       u64 group_end;
+       u64 group_end = 0;
        u64 i;
        u64 max_seek = stat->max_seek_len;
        int digits = 1;