[PATCH] cxgb3: Fix __must_check warning.

[Dan Noe <dpn@isomerica.net>]

Fix the warning:
drivers/net/cxgb3/cxgb3_main.c: In function ‘offload_open’:
drivers/net/cxgb3/cxgb3_main.c:936: warning: ignoring return value of ‘sysfs_create_group’, declared with attribute warn_unused_result

Now the return value is checked; if sysfs_create_group() returns failure,
a warning is printed, and the code continues as before.

Signed-off-by: Dan Noe <dpn@isomerica.net>
---
 drivers/net/cxgb3/cxgb3_main.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

My first patch - feedback is appreciated, please be gentle.  Thanks!

diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index fd2e05b..3007fe1 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1015,7 +1015,8 @@ static int offload_open(struct net_device *dev)
 	init_smt(adapter);
 
 	/* Never mind if the next step fails */
-	sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group);
+	if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group))
+		printk(KERN_WARNING DRV_NAME ": cannot create sysfs group\n");
 
 	/* Call back all registered clients */
 	cxgb3_add_clients(tdev);
-- 
1.5.2.5