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net: selftests: use ethtool_sprintf()

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During a W=1 build GCC 13.2 says:

net/core/selftests.c: In function ‘net_selftest_get_strings’:
net/core/selftests.c:404:52: error: ‘%s’ directive output may be truncated writing up to 279 bytes into a region of size 28 [-Werror=format-truncation=]
  404 |                 snprintf(p, ETH_GSTRING_LEN, "%2d. %s", i + 1,
      |                                                    ^~
net/core/selftests.c:404:17: note: ‘snprintf’ output between 5 and 284 bytes into a destination of size 32
  404 |                 snprintf(p, ETH_GSTRING_LEN, "%2d. %s", i + 1,
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  405 |                          net_selftests[i].name);
      |                          ~~~~~~~~~~~~~~~~~~~~~~

avoid it by using ethtool_sprintf().

Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20231026022916.566661-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2023-10-25 19:29:16 -07:00
parent 6808918343
commit 79fa29570b
1 changed files with 3 additions and 6 deletions
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9
net/core/selftests.c
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@ -397,14 +397,11 @@ EXPORT_SYMBOL_GPL(net_selftest_get_count);
void net_selftest_get_strings(u8 *data)
{
u8 *p = data;
int i;
for (i = 0; i < net_selftest_get_count(); i++) {
snprintf(p, ETH_GSTRING_LEN, "%2d. %s", i + 1,
net_selftests[i].name);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < net_selftest_get_count(); i++)
ethtool_sprintf(&data, "%2d. %s", i + 1,
net_selftests[i].name);
}
EXPORT_SYMBOL_GPL(net_selftest_get_strings);