diff options
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 65df92f5b192..b1933d074f05 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -5647,6 +5647,7 @@ static const struct bpf_func_proto bpf_sys_close_proto = { BPF_CALL_4(bpf_kallsyms_lookup_name, const char *, name, int, name_sz, int, flags, u64 *, res) { + *res = 0; if (flags) return -EINVAL; @@ -5667,7 +5668,8 @@ static const struct bpf_func_proto bpf_kallsyms_lookup_name_proto = { .arg1_type = ARG_PTR_TO_MEM, .arg2_type = ARG_CONST_SIZE_OR_ZERO, .arg3_type = ARG_ANYTHING, - .arg4_type = ARG_PTR_TO_LONG, + .arg4_type = ARG_PTR_TO_FIXED_SIZE_MEM | MEM_UNINIT | MEM_ALIGNED, + .arg4_size = sizeof(u64), }; static const struct bpf_func_proto * |