From ec67d8f1941054e7c9933c2525afa2af2d8289ec Mon Sep 17 00:00:00 2001 From: Maximilian Luz Date: Sun, 17 Jul 2022 13:59:01 +0200 Subject: [PATCH] platform/surface: tabletsw: Fix __le32 integer access The sources.count field is a __le32 inside a packed struct. So use the proper functions to access it. Reported-by: kernel test robot Fixes: 9f794056db5b ("platform/surface: Add KIP/POS tablet-mode switch driver") Signed-off-by: Maximilian Luz --- drivers/platform/surface/surface_aggregator_tabletsw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/platform/surface/surface_aggregator_tabletsw.c b/drivers/platform/surface/surface_aggregator_tabletsw.c index 596ca6c80681..27d95a6a7851 100644 --- a/drivers/platform/surface/surface_aggregator_tabletsw.c +++ b/drivers/platform/surface/surface_aggregator_tabletsw.c @@ -410,7 +410,7 @@ static int ssam_pos_get_source(struct ssam_tablet_sw *sw, u32 *source_id) if (status) return status; - if (sources.count == 0) { + if (get_unaligned_le32(&sources.count) == 0) { dev_err(&sw->sdev->dev, "no posture sources found\n"); return -ENODEV; } @@ -422,7 +422,7 @@ static int ssam_pos_get_source(struct ssam_tablet_sw *sw, u32 *source_id) * is a device that provides multiple sources, at which point we can * then try to figure out how to handle them. */ - WARN_ON(sources.count > 1); + WARN_ON(get_unaligned_le32(&sources.count) > 1); *source_id = get_unaligned_le32(&sources.id[0]); return 0; -- 2.37.0