linux-kernel - [PATCH v2 8/8] staging: r8188eu: check rt_firmware

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Date:   Thu, 14 Apr 2022 12:43:23 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>,
        David Laight <David.Laight@...LAB.COM>
Subject: [PATCH v2 8/8] staging: r8188eu: check rt_firmware_hdr size at compile time

Check the size of struct rt_firmware_hdr at compile time since
we rely on the size to be 32 in rtl8188e_firmware_download().

Suggested-by: David Laight <David.Laight@...LAB.COM>
Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_fw.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/r8188eu/core/rtw_fw.c b/drivers/staging/r8188eu/core/rtw_fw.c
index c58bce1a1856..4417375a158d 100644
--- a/drivers/staging/r8188eu/core/rtw_fw.c
+++ b/drivers/staging/r8188eu/core/rtw_fw.c
@@ -34,6 +34,8 @@ struct rt_firmware_hdr {
 	__le32	rsvd5;
 };
 
+static_assert(sizeof(struct rt_firmware_hdr) == 32);
+
 static void fw_download_enable(struct adapter *padapter, bool enable)
 {
 	u8 tmp;
-- 
2.35.1