Clean up check_region() usage. It is deprecated in 2.5.X and 2.4.X,

but is still required in earlier kernels.

drivers/scsi/aic7xxx/aic7770_osm.c

@@ -36,7 +36,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_osm.c#11 $
+ * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_osm.c#12 $
  */
 
 #include "aic7xxx_osm.h"
@@ -61,8 +61,14 @@ aic7770_linux_probe(Scsi_Host_Template *template)
 		uint32_t eisa_id;
 		size_t	 id_size;
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
 		if (check_region(eisaBase, AHC_EISA_IOSIZE) != 0)
 			continue;
+		request_region(eisaBase, AHC_EISA_IOSIZE, "aic7xxx");
+#else
+		if (request_region(eisaBase, AHC_EISA_IOSIZE, "aic7xxx") != 0)
+			continue;
+#endif
 
 		eisa_id = 0;
 		id_size = sizeof(eisa_id);
@@ -72,6 +78,7 @@ aic7770_linux_probe(Scsi_Host_Template *template)
 			eisa_id |= inb(eisaBase + IDOFFSET + i)
 				   << ((id_size-i-1) * 8);
 		}
+		release_region(eisaBase, AHC_EISA_IOSIZE);
 		if (eisa_id & 0x80000000)
 			continue;  /* no EISA card in slot */
 

drivers/scsi/aic7xxx/aic79xx_osm_pci.c

@@ -36,7 +36,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_osm_pci.c#18 $
+ * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_osm_pci.c#19 $
  */
 
 #include "aic79xx_osm.h"
@@ -240,10 +240,8 @@ ahd_linux_pci_reserve_io_regions(struct ahd_softc *ahd, u_long *base,
 	if (check_region(*base, 256) != 0
 	 || check_region(*base2, 256) != 0)
 		return (ENOMEM);
-	else {
-		request_region(*base, 256, "aic79xx");
-		request_region(*base2, 256, "aic79xx");
-	}
+	request_region(*base, 256, "aic79xx");
+	request_region(*base2, 256, "aic79xx");
 #else
 	if (request_region(*base, 256, "aic79xx") == 0)
 		return (ENOMEM);

drivers/scsi/aic7xxx/aic7xxx_osm_pci.c

@@ -36,7 +36,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c#41 $
+ * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c#42 $
  */
 
 #include "aic7xxx_osm.h"
@@ -229,8 +229,7 @@ ahc_linux_pci_reserve_io_region(struct ahc_softc *ahc, u_long *base)
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
 	if (check_region(*base, 256) != 0)
 		return (ENOMEM);
-	else
-		request_region(*base, 256, "aic7xxx");
+	request_region(*base, 256, "aic7xxx");
 #else
 	if (request_region(*base, 256, "aic7xxx") == 0)
 		return (ENOMEM);