btrfs-progs: fix compiler warning

gcc 4.9.0 gives warnings about possibly uninitialized values when
compiling with function inlining and optimization level two enabled
(CFLAGS="-finline-functions -O2").

Initializing the values fixes the warning. Hope this is correct.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/cmds-send.c b/cmds-send.c
index 7141c07..b17b5e2 100644 (file)
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -427,7 +427,7 @@ int cmd_send(int argc, char **argv)
        u32 i;
        char *mount_root = NULL;
        char *snapshot_parent = NULL;
-       u64 root_id;
+       u64 root_id = 0;
        u64 parent_root_id = 0;
        int full_send = 1;
        int new_end_cmd_semantic = 0;

diff --git a/send-stream.c b/send-stream.c
index 10b36b6..66c0488 100644 (file)
--- a/send-stream.c
+++ b/send-stream.c
@@ -216,7 +216,7 @@ static int tlv_get_string(struct btrfs_send_stream *s, int attr, char **str)
 {
        int ret;
        void *data;
-       int len;
+       int len = 0;
 
        TLV_GET(s, attr, &data, &len);