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iio: adc: ad7768-1: Fix insufficient alignment of timestamp.

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[ Upstream commit ffbc26bc91c1f1eb3dcf5d8776e74cbae21ee13a ]

On architectures where an s64 is not 64-bit aligned, this may result
insufficient alignment of the timestamp and the structure being too small.
Use aligned_s64 to force the alignment.

Fixes: a1caeebab0 ("iio: adc: ad7768-1: Fix too small buffer passed to iio_push_to_buffers_with_timestamp()") # aligned_s64 newer
Reported-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250413103443.2420727-3-jic23@kernel.org
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jonathan Cameron
2025-04-13 11:34:25 +01:00
committed by Greg Kroah-Hartman
parent 41ade94ad4
commit 02023c2899
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/ad7768-1.c
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@@ -169,7 +169,7 @@ struct ad7768_state {
union {
struct {
__be32 chan;
s64 timestamp;
aligned_s64 timestamp;
} scan;
__be32 d32;
u8 d8[2];