rt2x00: fix clk_get call

clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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));
 }