On Wed, 18 May 2022 12:16:46 +0200
David Marchand <david.march...@redhat.com> wrote:
> GCC 12 raises the following warning:
>
> In function ‘fill_sg_comp_from_iov’,
> inlined from ‘cpt_kasumi_enc_prep’ at
> ../drivers/common/cpt/cpt_ucode.h:2176:8,
> inlined from ‘cpt_fc_enc_hmac_prep’ at
> ../drivers/common/cpt/cpt_ucode.h:2475:3,
> inlined from ‘fill_digest_params’ at
> ../drivers/common/cpt/cpt_ucode.h:3548:14,
> inlined from ‘otx_cpt_enq_single_sym’ at
> ../drivers/crypto/octeontx/otx_cryptodev_ops.c:541:9,
> inlined from ‘otx_cpt_enq_single_sym_sessless’ at
> ../drivers/crypto/octeontx/otx_cryptodev_ops.c:584:8,
> inlined from ‘otx_cpt_enq_single’ at
> ../drivers/crypto/octeontx/otx_cryptodev_ops.c:611:11,
> inlined from ‘otx_cpt_pkt_enqueue’ at
> ../drivers/crypto/octeontx/otx_cryptodev_ops.c:643:9,
> inlined from ‘otx_cpt_enqueue_sym’ at
> ../drivers/crypto/octeontx/otx_cryptodev_ops.c:668:9:
> ../drivers/common/cpt/cpt_ucode.h:415:36: error: array subscript 0 is
> outside array bounds of ‘buf_ptr_t[0]’ {aka ‘struct buf_ptr[]’}
> [-Werror=array-bounds]
> 415 | e_dma_addr = bufs[j].dma_addr;
> | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
> ../drivers/common/cpt/cpt_ucode.h:416:48: error: array subscript 0 is
> outside array bounds of ‘buf_ptr_t[0]’ {aka ‘struct buf_ptr[]’}
> [-Werror=array-bounds]
> 416 | e_len = (size > bufs[j].size) ?
> | ~~~~~~~^~~~~
>
> For now, waive this warning until we have a proper fix.
>
> Cc: sta...@dpdk.org
>
> Signed-off-by: David Marchand <david.march...@redhat.com>
NAK
Please fix properly, with something like:
--- a/drivers/common/cpt/cpt_mcode_defines.h
+++ b/drivers/common/cpt/cpt_mcode_defines.h
@@ -387,7 +387,7 @@ typedef struct buf_ptr {
/* IOV Pointer */
typedef struct{
int buf_cnt;
- buf_ptr_t bufs[0];
+ buf_ptr_t bufs[];
} iov_ptr_t;
typedef struct fc_params {
