diff options
| author | Gustavo A. R. Silva <gustavoars@kernel.org> | 2021-08-09 16:11:34 -0500 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-08-21 20:49:56 +0300 |
| commit | 090f2c5d3d077793da6a78db8d9535bc9a759857 (patch) | |
| tree | b979beb54da5fa958724c072eb88a7e07b05c1c2 /drivers/net/wireless/marvell | |
| parent | 118934041c5fec6c35bcf903a76783ea2fa302f0 (diff) | |
mwifiex: usb: Replace one-element array with flexible-array member
There is a regular need in the kernel to provide a way to declare having
a dynamically sized set of trailing elements in a structure. Kernel code
should always use “flexible array members”[1] for these cases. The older
style of one-element or zero-length arrays should no longer be used[2].
This helps with the ongoing efforts to globally enable -Warray-bounds
and get us closer to being able to tighten the FORTIFY_SOURCE routines
on memcpy().
This issue was found with the help of Coccinelle and audited and fixed,
manually.
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.10/process/deprecated.html#zero-length-and-one-element-arrays
Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/KSPP/linux/issues/109
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210809211134.GA22488@embeddedor
Diffstat (limited to 'drivers/net/wireless/marvell')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/usb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.h b/drivers/net/wireless/marvell/mwifiex/usb.h index d822ec15b7e6..61a96b7fbf21 100644 --- a/drivers/net/wireless/marvell/mwifiex/usb.h +++ b/drivers/net/wireless/marvell/mwifiex/usb.h @@ -134,7 +134,7 @@ struct fw_sync_header { struct fw_data { struct fw_header fw_hdr; __le32 seq_num; - u8 data[1]; + u8 data[]; } __packed; #endif /*_MWIFIEX_USB_H */ |