skfp: testing the wrong variable in skfp_driver_init()

The intent here was to test if the allocation failed but we tested
"SharedMemSize" instead of "SharedMemAddr" by mistake.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/skfp/skfddi.c b/drivers/net/skfp/skfddi.c
index 0a66fed..16c6265 100644
--- a/drivers/net/skfp/skfddi.c
+++ b/drivers/net/skfp/skfddi.c
@@ -412,7 +412,7 @@
 		bp->SharedMemAddr = pci_alloc_consistent(&bp->pdev,
 							 bp->SharedMemSize,
 							 &bp->SharedMemDMA);
-		if (!bp->SharedMemSize) {
+		if (!bp->SharedMemAddr) {
 			printk("could not allocate mem for ");
 			printk("hardware module: %ld byte\n",
 			       bp->SharedMemSize);