1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c
index 9e8f4e1b0cc9..712c7904d03e 100644
--- a/drivers/ide/palm_bk3710.c
+++ b/drivers/ide/palm_bk3710.c
@@ -342,7 +342,7 @@ static int __init palm_bk3710_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        mem_size = mem->end - mem->start + 1;
+        mem_size = resource_size(mem);
         if (request_mem_region(mem->start, mem_size, "palm_bk3710") == NULL) {
                 printk(KERN_ERR "failed to request memory region\n");
                 return -EBUSY;