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eth: bnxt: fix one of the W=1 warnings about fortified memcpy()
Fix a W=1 warning with gcc 13.1: In function ‘fortify_memcpy_chk’, inlined from ‘bnxt_hwrm_queue_cos2bw_cfg’ at drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c:133:3: include/linux/fortify-string.h:592:25: warning: call to ‘__read_overflow2_field’ declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Wattribute-warning] 592 | __read_overflow2_field(q_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The field group is already defined and starts at queue_id: struct bnxt_cos2bw_cfg { u8 pad[3]; struct_group_attr(cfg, __packed, u8 queue_id; __le32 min_bw; Reviewed-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/20230727190726.1859515-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -130,7 +130,7 @@ static int bnxt_hwrm_queue_cos2bw_cfg(struct bnxt *bp, struct ieee_ets *ets,
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BW_VALUE_UNIT_PERCENT1_100);
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}
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data = &req->unused_0 + qidx * (sizeof(cos2bw) - 4);
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memcpy(data, &cos2bw.queue_id, sizeof(cos2bw) - 4);
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memcpy(data, &cos2bw.cfg, sizeof(cos2bw) - 4);
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if (qidx == 0) {
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req->queue_id0 = cos2bw.queue_id;
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req->unused_0 = 0;
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