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staging: iio: ring_sw Fix pointer arithmetic for 64bit arches by using phys_addr_t

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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonathan Cameron 2010-07-29 17:50:51 +01:00 committed by Greg Kroah-Hartman
parent ccea5e1d0f
commit 019415ce5e
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/iio/ring_sw.c
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@ -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,