[PATCH v3 2/2] Input: soc_button_array - check btns_desc->package.count

Check that btns_desc->package.count is not 0 before accessing
btns_desc->package.elements[0].

Fixes: 4c3362f44980 ("Input: soc_button_array - add support for ACPI 6.0 Generic Button Device")
Cc: stable@vger.kernel.org
Reported-by: Shashiko <sashiko-bot@kernel.org>
Closes: https://lore.kernel.org/linux-input/20260909091440.3384C1F00A3A@smtp.kernel.org/ (local)
Signed-off-by: Hans de Goede <redacted>
---
Changes in v3:
- This is a new patch in v3 of this series
---
 drivers/input/misc/soc_button_array.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index 264c41f80d2b..f08e29af531f 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c

@@ -377,7 +377,7 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev)
 		}
 	}
 
-	if (!btns_desc) {
+	if (!btns_desc || !btns_desc->package.count) {
 		dev_err(dev, "ACPI Button Descriptors not found\n");
 		button_info = ERR_PTR(-ENODEV);
 		goto out;

-- 
2.55.0