dpdk/0320-net-ice-fix-build-with-GCC-12.patch
jiangheng12 7b9cc4c5a2 fix build with GCC 12
(cherry picked from commit d1c19aae07fc1940cea32a797e9bc9b23377f317)
2023-07-12 19:51:01 +08:00

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From ec6a2fa05c425c42071d164c82d46d0f62ff2e1c Mon Sep 17 00:00:00 2001
From: David Marchand <david.marchand@redhat.com>
Date: Wed, 18 May 2022 12:16:51 +0200
Subject: [PATCH] net/ice: fix build with GCC 12
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
[ upstream commit 20d6a017e148cc1944d85d4c80a0151a5b4c6436 ]
GCC 12 raises the following warning:
In file included from ../lib/mempool/rte_mempool.h:46,
from ../lib/mbuf/rte_mbuf.h:38,
from ../lib/net/rte_ether.h:22,
from ../lib/ethdev/rte_ethdev.h:172,
from ../lib/ethdev/ethdev_driver.h:22,
from ../lib/ethdev/ethdev_pci.h:17,
from ../drivers/net/ice/ice_ethdev.c:6:
../drivers/net/ice/ice_ethdev.c: In function ice_dev_configure:
../lib/eal/x86/include/rte_memcpy.h:370:9: warning: array subscript 64 is
outside array bounds of struct ice_aqc_get_set_rss_keys[1]
[-Warray-bounds]
370 | rte_mov32((uint8_t *)dst + 2 * 32, (const uint8_t *)src + 2 * 32);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ice/ice_ethdev.c:3202:41: note: while referencing key
3202 | struct ice_aqc_get_set_rss_keys key;
| ^~~
Restrict copy to minimum size.
Bugzilla ID: 850
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---
drivers/net/ice/ice_ethdev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index ab3976a319..7df1b4ec19 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -3235,7 +3235,8 @@ static int ice_init_rss(struct ice_pf *pf)
RTE_MIN(rss_conf->rss_key_len,
vsi->rss_key_size));
- rte_memcpy(key.standard_rss_key, vsi->rss_key, vsi->rss_key_size);
+ rte_memcpy(key.standard_rss_key, vsi->rss_key,
+ RTE_MIN(sizeof(key.standard_rss_key), vsi->rss_key_size));
ret = ice_aq_set_rss_key(hw, vsi->idx, &key);
if (ret)
goto out;
--
2.23.0