P2P: Check os_get_random() return value more consistently

[mech_eap.git] / src / p2p / p2p_utils.c

diff --git a/src/p2p/p2p_utils.c b/src/p2p/p2p_utils.c
index 189300a..508a609 100644 (file)
--- a/src/p2p/p2p_utils.c
+++ b/src/p2p/p2p_utils.c
@@ -441,7 +441,8 @@ void p2p_channels_dump(struct p2p_data *p2p, const char *title,
 static u8 p2p_channel_pick_random(const u8 *channels, unsigned int num_channels)
 {
        unsigned int r;
-       os_get_random((u8 *) &r, sizeof(r));
+       if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+               r = 0;
        r %= num_channels;
        return channels[r];
 }