diff options
Diffstat (limited to 'emulator/phy.c')
| -rw-r--r-- | emulator/phy.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/emulator/phy.c b/emulator/phy.c index 2ae6ad3a2..44cace438 100644 --- a/emulator/phy.c +++ b/emulator/phy.c @@ -19,6 +19,7 @@ #include <stdlib.h> #include <string.h> #include <sys/socket.h> +#include <sys/random.h> #include <netinet/in.h> #include <netinet/ip.h> #include <time.h> @@ -173,8 +174,13 @@ struct bt_phy *bt_phy_new(void) mainloop_add_fd(phy->rx_fd, EPOLLIN, phy_rx_callback, phy, NULL); if (!get_random_bytes(&phy->id, sizeof(phy->id))) { - srandom(time(NULL)); - phy->id = random(); + if (getrandom(&phy->id, sizeof(phy->id), 0) < 0) { + mainloop_remove_fd(phy->rx_fd); + close(phy->tx_fd); + close(phy->rx_fd); + free(phy); + return NULL; + } } bt_phy_send(phy, BT_PHY_PKT_NULL, NULL, 0); |