BUG_ON() Conversion in drivers/s390/block/dasd_erp.c

this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index 8fd71ab..b842377 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -32,9 +32,8 @@
 	int size;
 
 	/* Sanity checks */
-	if ( magic == NULL || datasize > PAGE_SIZE ||
-	     (cplength*sizeof(struct ccw1)) > PAGE_SIZE)
-		BUG();
+	BUG_ON( magic == NULL || datasize > PAGE_SIZE ||
+	     (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
 
 	size = (sizeof(struct dasd_ccw_req) + 7L) & -8L;
 	if (cplength > 0)
@@ -125,8 +124,7 @@
 	struct dasd_device *device;
 	int success;
 
-	if (cqr->refers == NULL || cqr->function == NULL)
-		BUG();
+	BUG_ON(cqr->refers == NULL || cqr->function == NULL);
 
 	device = cqr->device;
 	success = cqr->status == DASD_CQR_DONE;