Re: [PATCH bpf-next] bpf: fix a (false) compiler warning

2019-01-16 Thread Martin Lau
On Wed, Jan 16, 2019 at 08:44:32AM -0800, Peter Oskolkov wrote: > An older GCC compiler complains: > > kernel/bpf/verifier.c: In function 'bpf_check': > kernel/bpf/verifier.c:4***:13: error: 'prev_offset' may be used uninitialized > in this function [-Werror=maybe-uninitialized] >} else

[PATCH bpf-next] bpf: fix a (false) compiler warning

2019-01-16 Thread Peter Oskolkov
An older GCC compiler complains: kernel/bpf/verifier.c: In function 'bpf_check': kernel/bpf/verifier.c:4***:13: error: 'prev_offset' may be used uninitialized in this function [-Werror=maybe-uninitialized] } else if (krecord[i].insn_offset <= prev_offset) { ^ kernel/bpf/verif