net: dhcp: Fix return value on ctrl-c

the dhcp command will return with 0 when ctrl-c is pressed. Fix this to
-EINTR instead.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/dhcp.c b/net/dhcp.c
index 8233ec3502..7324c94838 100644
--- a/net/dhcp.c
+++ b/net/dhcp.c
@@ -767,8 +767,10 @@ static int do_dhcp(int argc, char *argv[])
 		goto out1;
 
 	while (dhcp_state != BOUND) {
-		if (ctrlc())
-			break;
+		if (ctrlc()) {
+			ret = -EINTR;
+			goto out1;
+		}
 		if (!retries) {
 			ret = -ETIMEDOUT;
 			goto out1;