Re: [BUILD-FAILURE] linux-next: next-20081210 - s390x - lcsdrivers breaks with !CONFIG_IP_MULTICAST

From: Heiko Carstens
Date: Wed Dec 10 2008 - 07:08:49 EST


On Wed, Dec 10, 2008 at 04:47:40PM +0530, Kamalesh Babulal wrote:
> Hi,
>
> next-20081210 randconfig kernel builds fails with !CONFIG_IP_MULTICAST
>
> drivers/s390/net/lcs.c: In function 'lcs_new_device':
> drivers/s390/net/lcs.c:2179: error: implicit declaration of function 'lcs_set_multicast_list'
> make[2]: *** [drivers/s390/net/lcs.o] Error 1
> make[1]: *** [drivers/s390/net] Error 2
> make: *** [drivers/s390] Error 2

Thanks for reporting!

This should do the trick:

---
drivers/s390/net/lcs.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

Index: linux-2.6/drivers/s390/net/lcs.c
===================================================================
--- linux-2.6.orig/drivers/s390/net/lcs.c
+++ linux-2.6/drivers/s390/net/lcs.c
@@ -69,7 +69,9 @@ static char debug_buffer[255];
static void lcs_tasklet(unsigned long);
static void lcs_start_kernel_thread(struct work_struct *);
static void lcs_get_frames_cb(struct lcs_channel *, struct lcs_buffer *);
+#ifdef CONFIG_IP_MULTICAST
static int lcs_send_delipm(struct lcs_card *, struct lcs_ipm_list *);
+#endif /* CONFIG_IP_MULTICAST */
static int lcs_recovery(void *ptr);

/**
@@ -1280,6 +1282,8 @@ out:
lcs_clear_thread_running_bit(card, LCS_SET_MC_THREAD);
return 0;
}
+#endif /* CONFIG_IP_MULTICAST */
+
/**
* function called by net device to
* handle multicast address relevant things
@@ -1287,6 +1291,7 @@ out:
static void
lcs_set_multicast_list(struct net_device *dev)
{
+#ifdef CONFIG_IP_MULTICAST
struct lcs_card *card;

LCS_DBF_TEXT(4, trace, "setmulti");
@@ -1294,9 +1299,9 @@ lcs_set_multicast_list(struct net_device

if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD))
schedule_work(&card->kernel_thread_starter);
+#endif /* CONFIG_IP_MULTICAST */
}

-#endif /* CONFIG_IP_MULTICAST */

static long
lcs_check_irb_error(struct ccw_device *cdev, struct irb *irb)
--
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