Use get_positive_int() to parse signed positive arguments.

Change-Id: I323b2c203b49a6921251583772bdb3c3afacd31b
Reviewed-on: https://code.wireshark.org/review/17510
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 3 insertions, 3 deletions

diff --git a/dumpcap.c b/dumpcap.c
index 67110e758a..591bea19f8 100644
--- a/dumpcap.c
+++ b/dumpcap.c
@@ -3688,7 +3688,7 @@ set_80211_channel(const char *iface, const char *opt)
     for (args = 0; options[args]; args++);
 
     if (options[0])
-        freq = atoi(options[0]);
+        freq = get_positive_int(options[0], "802.11 channel frequency");
 
     if (args >= 1 && options[1]) {
         type = ws80211_str_to_chan_type(options[1]);
@@ -3700,10 +3700,10 @@ set_80211_channel(const char *iface, const char *opt)
     }
 
     if (args >= 2 && options[2])
-        center_freq1 = atoi(options[2]);
+        center_freq1 = get_positive_int(options[2], "VHT center frequency");
 
     if (args >= 3 && options[3])
-        center_freq2 = atoi(options[3]);
+        center_freq2 = get_positive_int(options[3], "VHT center frequency 2");
 
     ret = ws80211_init();
     if (ret) {