[PATCH 495/524] staging: iio: ring_sw Fix pointer arithmetic for 64bit arches by using phys_addr_t

Greg Kroah-Hartman gregkh at suse.de
Thu Aug 5 22:24:38 UTC 2010


From: Jonathan Cameron <jic23 at cam.ac.uk>

Signed-off-by: Jonathan Cameron <jic23 at cam.ac.uk>
Acked-by: Randy Dunlap <randy.dunlap at oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
 drivers/staging/iio/ring_sw.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index 9b3598e..e2f01c6 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -478,7 +478,7 @@ void iio_sw_trigger_bh_to_ring(struct work_struct *work_s)
 
 	  /* Guaranteed to be aligned with 8 byte boundary */
 	if (st->indio_dev->scan_timestamp)
-		*(s64 *)(((u32)data + len
+		*(s64 *)(((phys_addr_t)data + len
 				+ sizeof(s64) - 1) & ~(sizeof(s64) - 1))
 			= st->last_timestamp;
 	  st->indio_dev->ring->access.store_to(st->indio_dev->ring,
-- 
1.7.1




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