On Fri, Jul 30, 2021 at 05:05:07PM +0200, Heinrich Schuchardt wrote:
With glibc 2.33 (Ubuntu package glibc6 2.33-0ubuntu9) building sifive_unmatched_defconfig results in:
In file included from /usr/include/stdio.h:866, from ././include/compiler.h:26, from <command-line>: In function ‘snprintf’, inlined from ‘rsa_engine_get_priv_key’ at ./tools/../^:273:4: /usr/include/riscv64-linux-gnu/bits/stdio2.h:71:10: warning: ‘%s’ directive argument is null [-Wformat-truncation=] 71 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 72 | __glibc_objsize (__s), __fmt, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 73 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~
Avoid passing a NULL string.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com Reviewed-by: Simon Glass sjg@chromium.org
Applied to u-boot/next, thanks!