sock: Avoid setting negative socket memory values

When getting of the initial values fails in set_system_socket_memory(),
we store -1 for the values. Avoid writing these back (and causing an
error message) when calling reset_system_socket_memory().

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 1 insertions, 1 deletions

diff --git a/sock.c b/sock.c
index 10199a4..a84796c 100644
--- a/sock.c
+++ b/sock.c
@@ -168,7 +168,7 @@ 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))
+	if (val > 0 && sysctl_set_int(sock_mem[which], val))
 		printf("Cannot set system socket memory in %s%s: %s\n",
 		       SYSCTL_PROC_PATH, sock_mem[which], strerror(errno));
 }