[2.6 patch] hwmon/ibmpex.c: fix NULL dereference

Don't dereference "data" when we know for sure it's NULL.

Spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <[email protected]>

---
66bec2ef5c6d55fc30ef6ac5bb97fdfcfaf394f2 
diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c
index c462824..e14ce3d 100644
--- a/drivers/hwmon/ibmpex.c
+++ b/drivers/hwmon/ibmpex.c
@@ -457,7 +457,7 @@ static void ibmpex_register_bmc(int iface, struct device *dev)
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		printk(KERN_ERR DRVNAME ": Insufficient memory for BMC "
-		       "interface %d.\n", data->interface);
+		       "interface.\n");
 		return;
 	}
 

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