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

[Marek Behún]

From: Pali Rohár <p...@kernel.org>

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

Signed-off-by: Pali Rohár <p...@kernel.org>
Reviewed-by: Marek Behún <marek.be...@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;
 
-- 
2.32.0