Re: [dpdk-dev] [EXT] [PATCH v3 1/5] net/qede: fix minsize build

[Rasesh Mody <rmody@marvell.com>]

> From: Devendra Singh Rawat <dsinghrawat@marvell.com>
> Sent: Monday, August 9, 2021 10:46 AM
> 
> 
> 
> -----Original Message-----
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Sunday, August 8, 2021 6:22 PM
> To: dev@dpdk.org
> Cc: bruce.richardson@intel.com; david.marchand@redhat.com; Rasesh
> Mody <rmody@marvell.com>; Devendra Singh Rawat
> <dsinghrawat@marvell.com>
> Subject: [EXT] [PATCH v3 1/5] net/qede: fix minsize build
> 
> External Email
> 
> ----------------------------------------------------------------------
> Error occurs when configuring meson with --buildtype=minsize with GCC
> 11.1.0:
> 
> In function ‘__internal_ram_wr_relaxed’,
>     inlined from ‘internal_ram_wr’ at ecore_int_api.h:166:2,
>     inlined from ‘qede_update_rx_prod.constprop’ at qede_rxtx.c:736:2:
> drivers/net/qede/base/bcm_osal.h:136:9: error:
> ‘rx_prods’ is used uninitialized [-Werror=uninitialized]
> |         rte_write32_relaxed((_val), (_reg_addr))
> |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ecore_int_api.h:151:17: note: in expansion of macro
> ‘DIRECT_REG_WR_RELAXED’
> |                 DIRECT_REG_WR_RELAXED(p_hwfn, &((u32 OSAL_IOMEM
> *)addr)[i],
> |                 ^~~~~~~~~~~~~~~~~~~~~
> drivers/net/qede/qede_rxtx.c: In function
> ‘qede_update_rx_prod.constprop’:
> drivers/net/qede/qede_rxtx.c:724:33: note: ‘rx_prods’ declared here
> |         struct eth_rx_prod_data rx_prods = { 0 };
> |                                 ^~~~~~~~
> 
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Rasesh Mody <rmody@marvell.com>

> ---
>  drivers/net/qede/qede_rxtx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
> index 298f4e3e42..35cde561ba 100644
> --- a/drivers/net/qede/qede_rxtx.c
> +++ b/drivers/net/qede/qede_rxtx.c
> @@ -721,9 +721,10 @@ qede_update_rx_prod(__rte_unused struct
> qede_dev *edev,  {
>  	uint16_t bd_prod = ecore_chain_get_prod_idx(&rxq->rx_bd_ring);
>  	uint16_t cqe_prod = ecore_chain_get_prod_idx(&rxq-
> >rx_comp_ring);
> -	struct eth_rx_prod_data rx_prods = { 0 };
> +	struct eth_rx_prod_data rx_prods;
> 
>  	/* Update producers */
> +	memset(&rx_prods, 0, sizeof(rx_prods));
>  	rx_prods.bd_prod = rte_cpu_to_le_16(bd_prod);
>  	rx_prods.cqe_prod = rte_cpu_to_le_16(cqe_prod);
> 
> --
> 2.31.1
> 
> ACKed.
> 
> Thanks,
> Devendra