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Tue, 17 Mar 2026 10:18:33 -0700 (PDT) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Tue, 17 Mar 2026 18:18:29 +0100 To: Leon Hwang Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , Menglong Dong , Steven Rostedt Subject: Re: [PATCHv3 bpf-next 17/24] selftests/bpf: Add tracing multi skel/pattern/ids attach tests Message-ID: References: <20260316075138.465430-1-jolsa@kernel.org> <20260316075138.465430-18-jolsa@kernel.org> <39113fe0-2e9f-4f11-afe9-efb676a48149@linux.dev> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <39113fe0-2e9f-4f11-afe9-efb676a48149@linux.dev> On Tue, Mar 17, 2026 at 11:04:57AM +0800, Leon Hwang wrote: SNIP > > +static __u32 *get_ids(const char * const funcs[], int funcs_cnt, const char *mod) > > +{ > > + struct btf *btf, *vmlinux_btf; > > + __u32 nr, type_id, cnt = 0; > > + void *root = NULL; > > + __u32 *ids = NULL; > > + int i, err = 0; > > + > > + btf = btf__load_vmlinux_btf(); > > + if (!ASSERT_OK_PTR(btf, "btf__load_vmlinux_btf")) > > + return NULL; > > + > > + if (mod) { > > + vmlinux_btf = btf; > > + btf = btf__load_module_btf(mod, vmlinux_btf); > > + if (!ASSERT_OK_PTR(btf, "btf__load_module_btf")) > > + return NULL; > ^ vmlinux_btf does not get released. right, needs to be 'goto out' > > > + } > > + > > + ids = calloc(funcs_cnt, sizeof(ids[0])); > > + if (!ids) > > + goto out; > > + > > + /* > > + * We sort function names by name and search them > > + * below for each function. > > + */ > > + for (i = 0; i < funcs_cnt; i++) > > + tsearch(&funcs[i], &root, compare); > ^ tdestroy() is missing to free tree nodes? right, will add, thanks jirka