diff options
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index b01fe01b0761..50d41815f431 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -9995,6 +9995,10 @@ static const char *arch_specific_syscall_pfx(void) return "mips"; #elif defined(__riscv) return "riscv"; +#elif defined(__powerpc__) + return "powerpc"; +#elif defined(__powerpc64__) + return "powerpc64"; #else return NULL; #endif @@ -10127,8 +10131,13 @@ struct bpf_link *bpf_program__attach_ksyscall(const struct bpf_program *prog, return libbpf_err_ptr(-EINVAL); if (kernel_supports(prog->obj, FEAT_SYSCALL_WRAPPER)) { + /* arch_specific_syscall_pfx() should never return NULL here + * because it is guarded by kernel_supports(). However, since + * compiler does not know that we have an explicit conditional + * as well. + */ snprintf(func_name, sizeof(func_name), "__%s_sys_%s", - arch_specific_syscall_pfx(), syscall_name); + arch_specific_syscall_pfx() ? : "", syscall_name); } else { snprintf(func_name, sizeof(func_name), "__se_sys_%s", syscall_name); } |