btrfs-progs: send-stream: use proper type for cmd in read_cmd

We just read and assign the value, there's no reason to use different
types.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/send-stream.c b/send-stream.c
index c8419ac..913a17f 100644 (file)
--- a/send-stream.c
+++ b/send-stream.c
@@ -72,7 +72,7 @@ out:
 static int read_cmd(struct btrfs_send_stream *sctx)
 {
        int ret;
-       int cmd;
+       u16 cmd;
        u32 cmd_len;
        char *data;
        u32 pos;