Messages in this thread | | | Subject | Re: [PATCH net-next 1/2] ath10k: fix gcc-10 zero-length-bounds warnings | From | Kalle Valo <> | Date | Tue, 12 May 2020 07:33:42 +0000 (UTC) |
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Arnd Bergmann <arnd@arndb.de> wrote:
> gcc-10 started warning about out-of-bounds access for zero-length > arrays: > > In file included from drivers/net/wireless/ath/ath10k/core.h:18, > from drivers/net/wireless/ath/ath10k/htt_rx.c:8: > drivers/net/wireless/ath/ath10k/htt_rx.c: In function 'ath10k_htt_rx_tx_fetch_ind': > drivers/net/wireless/ath/ath10k/htt.h:1683:17: warning: array subscript 65535 is outside the bounds of an interior zero-length array 'struct htt_tx_fetch_record[0]' [-Wzero-length-bounds] > 1683 | return (void *)&ind->records[le16_to_cpu(ind->num_records)]; > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/net/wireless/ath/ath10k/htt.h:1676:29: note: while referencing 'records' > 1676 | struct htt_tx_fetch_record records[0]; > | ^~~~~~~ > > Make records[] a flexible array member to allow this, moving it behind > the other zero-length member that is not accessed in a way that gcc > warns about. > > Fixes: 22e6b3bc5d96 ("ath10k: add new htt definitions") > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2 patches applied to ath-next branch of ath.git, thanks.
9f12bebd512c ath10k: fix gcc-10 zero-length-bounds warnings 32221df6765b ath10k: fix ath10k_pci struct layout
-- https://patchwork.kernel.org/patch/11538233/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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