| Message ID | 20220216194807.GA904008@embeddedor (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 8bc66426ca5447b8e3b5db7dbfe2cb752b0d4e37 |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | [next] ath10k: Replace zero-length array with flexible-array member | expand |
On Wed, Feb 16, 2022 at 01:48:07PM -0600, Gustavo A. R. Silva wrote: > 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]. > > [1] https://en.wikipedia.org/wiki/Flexible_array_member > [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays > > Link: https://github.com/KSPP/linux/issues/78 > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org>
"Gustavo A. R. Silva" <gustavoars@kernel.org> wrote: > 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]. > > [1] https://en.wikipedia.org/wiki/Flexible_array_member > [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays > > Link: https://github.com/KSPP/linux/issues/78 > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > Reviewed-by: Kees Cook <keescook@chromium.org> > Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Patch applied to ath-next branch of ath.git, thanks. 8bc66426ca54 ath10k: Replace zero-length array with flexible-array member
diff --git a/drivers/net/wireless/ath/ath10k/swap.h b/drivers/net/wireless/ath/ath10k/swap.h index 25e0ad36ddb1..b4733b5ded34 100644 --- a/drivers/net/wireless/ath/ath10k/swap.h +++ b/drivers/net/wireless/ath/ath10k/swap.h @@ -17,7 +17,7 @@ struct ath10k_fw_file; struct ath10k_swap_code_seg_tlv { __le32 address; __le32 length; - u8 data[0]; + u8 data[]; } __packed; struct ath10k_swap_code_seg_tail {
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]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/78 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/net/wireless/ath/ath10k/swap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)