From: Arnd Bergmann <arnd@xxxxxxxx> Date: Fri, 14 Jul 2017 14:07:05 +0200 > gcc reports that the temporary buffer for computing the > string length may be too small here: > > drivers/net/ethernet/cavium/liquidio/lio_ethtool.c: In function 'lio_get_eeprom_len': > /drivers/net/ethernet/cavium/liquidio/lio_ethtool.c:345:21: error: 'sprintf' may write a terminating nul past the end of the destination [-Werror=format-overflow=] > len = sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n", > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/net/ethernet/cavium/liquidio/lio_ethtool.c:345:6: note: 'sprintf' output between 35 and 167 bytes into a destination of size 128 > len = sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n", > > This extends it to 192 bytes, which is certainly enough. As far > as I could tell, there are no other constraints that require a specific > maximum size. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Applied.
