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-rw-r--r--drivers/uwb/whc-rc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c
index 70a004aa19db..3ae3c702500d 100644
--- a/drivers/uwb/whc-rc.c
+++ b/drivers/uwb/whc-rc.c
@@ -222,7 +222,7 @@ int whcrc_setup_rc_umc(struct whcrc *whcrc)
struct umc_dev *umc_dev = whcrc->umc_dev;
whcrc->area = umc_dev->resource.start;
- whcrc->rc_len = umc_dev->resource.end - umc_dev->resource.start + 1;
+ whcrc->rc_len = resource_size(&umc_dev->resource);
result = -EBUSY;
if (request_mem_region(whcrc->area, whcrc->rc_len, KBUILD_MODNAME) == NULL) {
dev_err(dev, "can't request URC region (%zu bytes @ 0x%lx): %d\n",