From: "Cyrill V. Gorcunov" <gorcunov@gmail.com>
Subject: i2c/ds1374: Check workqueue creation status

Check if workqueue creation failed.  Further usage of NULL pointed
workqueue is not good I guess ;)

Signed-off-by: Cyrill V. Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/chips/ds1374.c |    4 ++++
 1 file changed, 4 insertions(+)

--- linux-2.6.21-rc2.orig/drivers/i2c/chips/ds1374.c	2007-02-04 19:44:54.000000000 +0100
+++ linux-2.6.21-rc2/drivers/i2c/chips/ds1374.c	2007-03-06 17:02:57.000000000 +0100
@@ -207,6 +207,10 @@ static int ds1374_probe(struct i2c_adapt
 	client->driver = &ds1374_driver;
 
 	ds1374_workqueue = create_singlethread_workqueue("ds1374");
+	if (!ds1374_workqueue) {
+		kfree(client);
+		return -ENOMEM;	/* most expected reason */
+	}
 
 	if ((rc = i2c_attach_client(client)) != 0) {
 		kfree(client);