sock: Don't panic() when sysctl_set_int fails

Instead print an error message including some more details. netsniff-ng
should still remain funcional without the socket sysctl values being
set.

Suggested-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 2 insertions, 1 deletions

diff --git a/sock.c b/sock.c
index 84723d0..10199a4 100644
--- a/sock.c
+++ b/sock.c
@@ -169,7 +169,8 @@ static int get_system_socket_mem(int which)
 static void set_system_socket_mem(int which, int val)
 {
 	if (sysctl_set_int(sock_mem[which], val))
-		panic("Cannot set system socket memory!\n");
+		printf("Cannot set system socket memory in %s%s: %s\n",
+		       SYSCTL_PROC_PATH, sock_mem[which], strerror(errno));
 }
 
 void set_system_socket_memory(int *vals, size_t len)