sfc: Restore the effect of the rss_cpus module parameter

Commit a4900ac ("sfc: Create multiple TX queues") accidentally
disabled the rss_cpus module parameter.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index c2dc9a5..002bac7 100644 (file)
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1153,6 +1153,9 @@ static int efx_wanted_channels(void)
        int count;
        int cpu;
 
+       if (rss_cpus)
+               return rss_cpus;
+
        if (unlikely(!zalloc_cpumask_var(&core_mask, GFP_KERNEL))) {
                printk(KERN_WARNING
                       "sfc: RSS disabled due to allocation failure\n");