diff mbox series

rtw88: mark rtw_fw_hdr __packed

Message ID 20191014212648.122549-1-briannorris@chromium.org (mailing list archive)
State Accepted
Commit 89dca86d29b46f2a5f38ea6476cfd441bd205d25
Delegated to: Kalle Valo
Headers show
Series rtw88: mark rtw_fw_hdr __packed | expand

Commit Message

Brian Norris Oct. 14, 2019, 9:26 p.m. UTC
The use of u8 and __le16 in this struct assumes that it's going to be
packed to byte alignment. C doesn't guarantee that, so we should mark
this __packed.

Fixes: cc20a7139836 ("rtw88: use struct rtw_fw_hdr to access firmware header")
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Brian Norris <briannorris@chromium.org>
---
 drivers/net/wireless/realtek/rtw88/fw.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Kalle Valo Oct. 16, 2019, 7:35 a.m. UTC | #1
Brian Norris <briannorris@chromium.org> wrote:

> The use of u8 and __le16 in this struct assumes that it's going to be
> packed to byte alignment. C doesn't guarantee that, so we should mark
> this __packed.
> 
> Fixes: cc20a7139836 ("rtw88: use struct rtw_fw_hdr to access firmware header")
> Cc: Ping-Ke Shih <pkshih@realtek.com>
> Signed-off-by: Brian Norris <briannorris@chromium.org>

Patch applied to wireless-drivers-next.git, thanks.

89dca86d29b4 rtw88: mark rtw_fw_hdr __packed
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h
index 4f7999394235..73d1b9ca8efc 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.h
+++ b/drivers/net/wireless/realtek/rtw88/fw.h
@@ -127,7 +127,7 @@  struct rtw_fw_hdr {
 	__le32 emem_size;
 	__le32 emem_addr;
 	__le32 imem_addr;
-};
+} __packed;
 
 /* C2H */
 #define GET_CCX_REPORT_SEQNUM(c2h_payload)	(c2h_payload[8] & 0xfc)