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From 9172690a818c1452fa5f01405a3bf268f1dc6a9a Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Thu, 28 Mar 2024 13:28:56 -0700
Subject: Input: ims-pcu - fix printf string overflow
From: Arnd Bergmann <arnd@arndb.de>
[ Upstream commit bf32bceedd0453c70d9d022e2e29f98e446d7161 ]
clang warns about a string overflow in this driver
drivers/input/misc/ims-pcu.c:1802:2: error: 'snprintf' will always be truncated; specified size is 10, but format string expands to at least 12 [-Werror,-Wformat-truncation]
drivers/input/misc/ims-pcu.c:1814:2: error: 'snprintf' will always be truncated; specified size is 10, but format string expands to at least 12 [-Werror,-Wformat-truncation]
Make the buffer a little longer to ensure it always fits.
Fixes: 628329d52474 ("Input: add IMS Passenger Control Unit driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240326223825.4084412-7-arnd@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/input/misc/ims-pcu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index 6e8cc28debd97..80d16c92a08b3 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -42,8 +42,8 @@ struct ims_pcu_backlight {
#define IMS_PCU_PART_NUMBER_LEN 15
#define IMS_PCU_SERIAL_NUMBER_LEN 8
#define IMS_PCU_DOM_LEN 8
-#define IMS_PCU_FW_VERSION_LEN (9 + 1)
-#define IMS_PCU_BL_VERSION_LEN (9 + 1)
+#define IMS_PCU_FW_VERSION_LEN 16
+#define IMS_PCU_BL_VERSION_LEN 16
#define IMS_PCU_BL_RESET_REASON_LEN (2 + 1)
#define IMS_PCU_PCU_B_DEVICE_ID 5
--
2.43.0
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