If cnxk is compiled with LTO, compiler detects that the code
to parse a flag is expecting to write 16 bit value into a
one byte field.
In function ‘parse_flag’,
inlined from ‘kvargs_process_common’ at ../lib/kvargs/rte_kvargs.c:187:9,
inlined from ‘rte_kvargs_process’ at ../lib/kvargs/rte_kvargs.c:203:9,
inlined from ‘cnxk_ethdev_parse_devargs’ at
../drivers/net/cnxk/cnxk_ethdev_devargs.c:371:2:
../drivers/net/cnxk/cnxk_ethdev_devargs.c:166: warning: writing 2 bytes into a
region of size 1 [-Wstringop-overflow=]
166 | *(uint16_t *)extra_args = atoi(value);
../drivers/net/cnxk/cnxk_ethdev_devargs.c: In function
‘cnxk_ethdev_parse_devargs’:
../drivers/net/cnxk/cnxk_ethdev_devargs.c:306:17: note: destination object
‘force_tail_drop’ of size 1
306 | uint8_t force_tail_drop = 0;
| ^
Bugzilla ID: 1790
Fixes: 75473b5b62c3 ("net/cnxk: add option to force tail drop")
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Stephen Hemminger <[email protected]>
---
drivers/net/cnxk/cnxk_ethdev_devargs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/cnxk/cnxk_ethdev_devargs.c
b/drivers/net/cnxk/cnxk_ethdev_devargs.c
index e42344a2ec..5d774e0d70 100644
--- a/drivers/net/cnxk/cnxk_ethdev_devargs.c
+++ b/drivers/net/cnxk/cnxk_ethdev_devargs.c
@@ -303,7 +303,7 @@ cnxk_ethdev_parse_devargs(struct rte_devargs *devargs,
struct cnxk_eth_dev *dev)
uint16_t outb_nb_desc = 8200;
struct sdp_channel sdp_chan;
uint16_t rss_tag_as_xor = 0;
- uint8_t force_tail_drop = 0;
+ uint16_t force_tail_drop = 0;
uint16_t scalar_enable = 0;
uint16_t tx_compl_ena = 0;
uint16_t custom_sa_act = 0;
--
2.47.3
