btrfs-progs: initialize data before send ioctl

Likely not strictly needed but I noticed valgrind complaining about
uninitialised memory in the ioctl call.

Signed-off-by: Arvin Schnell <aschnell@suse.de>

diff --git a/cmds-send.c b/cmds-send.c
index ac1d3cf..5607f2a 100644 (file)
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -273,6 +273,7 @@ static int do_send(struct btrfs_send *send, u64 root_id, u64 parent_root)
                goto out;
        }
 
+       memset(&io_send, 0, sizeof(io_send));
        io_send.send_fd = pipefd[1];
        send->send_fd = pipefd[0];