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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-09-14 09:33:46 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-09-15 02:43:11 -0400 |
| commit | 1a371190a375f98c9b106f758ea41558c3f92556 (patch) | |
| tree | c57d5c913ad355360a5a6b7f7f1e74f1539ddd25 /kernel/bpf | |
| parent | 091b2ecaa3081b8dee90c4fb31e782e8e3107a77 (diff) | |
| parent | 3abb708ec0be25da16a1ee9f1ab5cbc93f3256f3 (diff) | |
Merge tag 'loongarch-kvm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.12
1. Revert qspinlock to test-and-set simple lock on VM.
2. Add Loongson Binary Translation extension support.
3. Add PMU support for guest.
4. Enable paravirt feature control from VMM.
5. Implement function kvm_para_has_feature().
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/btf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 520f49f422fe..a4e4f8d43ecf 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -823,9 +823,11 @@ static bool btf_name_valid_section(const struct btf *btf, u32 offset) const char *src = btf_str_by_offset(btf, offset); const char *src_limit; + if (!*src) + return false; + /* set a limit on identifier length */ src_limit = src + KSYM_NAME_LEN; - src++; while (*src && src < src_limit) { if (!isprint(*src)) return false; @@ -6283,7 +6285,7 @@ static struct btf *btf_parse_module(const char *module_name, const void *data, errout: btf_verifier_env_free(env); - if (base_btf != vmlinux_btf) + if (!IS_ERR(base_btf) && base_btf != vmlinux_btf) btf_free(base_btf); if (btf) { kvfree(btf->data); |