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

[Devendra Singh Rawat <dsinghrawat@marvell.com>]

-----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

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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>
---
 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