wificurse

commit f3d16781e73cbe909ad84d12e3e21a81484c5d64
parent 1f2c588d9d5f662b35ae65b0edd47c92881dba84
Author: oblique <psyberbits@gmail.com>
Date:   Thu,  1 Mar 2012 14:50:18 +0200

fix a bug in read_bssid

Diffstat:
M
wificurse.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/wificurse.c b/wificurse.c
@@ -233,7 +233,9 @@ int read_bssid(int fd, uint8_t *bssid) {
 	struct mgmt_frame *beacon;
 
 	r = iw_read(fd, buf, sizeof(buf), &pkt, &pkt_sz);
-	if (r < 0)
+	if (r == -EAGAIN)
+		return -EAGAIN;
+	else if (r < 0)
 		return GOTERR;
 
 	beacon = (struct mgmt_frame*)pkt;
@@ -330,7 +332,7 @@ int main(int argc, char *argv[]) {
 			ret = read_bssid(dev.fd, bssid);
 			if (ret == -EAGAIN)
 				continue;
-			if (ret < 0) { // error
+			else if (ret < 0) { // error
 				print_error();
 				goto _errout;
 			} else { // got BSSID