[PATCH u-boot-marvell 01/13] tools: kwboot: Initialize rfds to zero

From: Pali Rohár pali@kernel.org

Explicitly zero out the rfds fd_set with FD_ZERO() before using it.

Signed-off-by: Pali Rohár pali@kernel.org Reviewed-by: Marek Behún marek.behun@nic.cz --- tools/kwboot.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/tools/kwboot.c b/tools/kwboot.c index 7e1be29623..695d433b96 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -1151,6 +1151,7 @@ kwboot_terminal(int tty) fd_set rfds; int nfds = 0;

+ FD_ZERO(&rfds); FD_SET(tty, &rfds); nfds = nfds < tty ? tty : nfds;