1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index fb33fa42d249..4902206f53d9 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -283,8 +283,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
         }
 
         /* reserve chip-select regions */
-        if (!request_mem_region(io->start, io->end + 1 - io->start,
-                                driver_name)) {
+        if (!request_mem_region(io->start, resource_size(io), driver_name)) {
                 status = -ENXIO;
                 goto fail1;
         }
@@ -308,7 +307,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
         return 0;
 
 fail2:
-        release_mem_region(io->start, io->end + 1 - io->start);
+        release_mem_region(io->start, resource_size(io));
 fail1:
         if (cf->socket.io_offset)
                 iounmap((void __iomem *) cf->socket.io_offset);
@@ -339,7 +338,7 @@ static int __exit at91_cf_remove(struct platform_device *pdev)
         struct resource         *io = cf->socket.io[0].res;
 
         pcmcia_unregister_socket(&cf->socket);
-        release_mem_region(io->start, io->end + 1 - io->start);
+        release_mem_region(io->start, resource_size(io));
         iounmap((void __iomem *) cf->socket.io_offset);
         if (board->irq_pin) {
                 free_irq(board->irq_pin, cf);