On Fri Aug 1, 2025 at 1:46 PM CEST, Achill Gilgenast wrote: > If not fn_name, mod_len does never get initialized which fails now with > gcc15 on Alpine Linux edge: > > libbpf.c: In function 'find_kernel_btf_id.constprop': > libbpf.c:10100:33: error: 'mod_len' may be used uninitialized [-Werror=maybe-uninitialized] > 10100 | if (mod_name && strncmp(mod->name, mod_name, mod_len) != 0) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > libbpf.c:10070:21: note: 'mod_len' was declared here > 10070 | int ret, i, mod_len; > | ^~~~~~~ > > Signed-off-by: Achill Gilgenast <fossdd@xxxxxxxxxx> > Acked-by: Yonghong Song <yonghong.song@xxxxxxxxx> > Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx> > Link: https://lore.kernel.org/bpf/20250729094611.2065713-1-fossdd@xxxxxxxxxx/ Oops, the subject should've been v2. I forgot to pass -v2 to git send-email.