From: Tobias Klauser on
Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one
errors.

Signed-off-by: Tobias Klauser <tklauser(a)distanz.ch>
---
drivers/char/bsr.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index 89d871e..aadc78b 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -210,7 +210,7 @@ static int bsr_add_node(struct device_node *bn)

cur->bsr_minor = i + total_bsr_devs;
cur->bsr_addr = res.start;
- cur->bsr_len = res.end - res.start + 1;
+ cur->bsr_len = resource_size(&res);
cur->bsr_bytes = bsr_bytes[i];
cur->bsr_stride = bsr_stride[i];
cur->bsr_dev = MKDEV(bsr_major, i + total_bsr_devs);
--
1.6.3.3

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