scsi: fix integer as NULL pointer warning

drivers/scsi/aha152x.c:3585:60: warning: Using plain integer as NULL pointer
drivers/scsi/aha152x.c:3845:56: warning: Using plain integer as NULL pointer
drivers/scsi/qla1280.c:2814:37: warning: Using plain integer as NULL pointer
drivers/scsi/atp870u.c:750:47: warning: Using plain integer as NULL pointer
drivers/scsi/3w-9xxx.c:1281:36: warning: Using plain integer as NULL pointer
drivers/scsi/3w-9xxx.c:1293:36: warning: Using plain integer as NULL pointer
drivers/scsi/3w-9xxx.c:1301:35: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:447:10: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:457:10: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:479:24: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:483:22: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:1213:23: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:1214:23: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index 1dca177..0899cb6 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -3582,7 +3582,7 @@
 	if (i == ARRAY_SIZE(ports))
 		return 0;
 
-	if ( request_region(setup->io_port, IO_RANGE, "aha152x")==0 ) {
+	if (!request_region(setup->io_port, IO_RANGE, "aha152x")) {
 		printk(KERN_ERR "aha152x: io port 0x%x busy.\n", setup->io_port);
 		return 0;
 	}
@@ -3842,7 +3842,7 @@
 			if ((setup_count == 1) && (setup[0].io_port == ports[i]))
 				continue;
 
-			if ( request_region(ports[i], IO_RANGE, "aha152x")==0 ) {
+			if (!request_region(ports[i], IO_RANGE, "aha152x")) {
 				printk(KERN_ERR "aha152x: io port 0x%x busy.\n", ports[i]);
 				continue;
 			}