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Mon, 11 May 2026 00:37:01 -0700 (PDT) From: Shreenidhi Shedi To: gregkh@linuxfoundation.org, acme@kernel.org, linux@treblig.org, mikhail.v.gavrilov@gmail.com Cc: yesshedi@gmail.com, stable@vger.kernel.org, Ian Rogers , Arnaldo Carvalho de Melo Subject: [PATCH 6.1.y v2 06/18] perf tools: Use const for variables receiving str{str,r?chr}() returns Date: Mon, 11 May 2026 12:40:39 +0530 Message-ID: <20260511071051.537859-7-yesshedi@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260511071051.537859-1-yesshedi@gmail.com> References: <20260511071051.537859-1-yesshedi@gmail.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnaldo Carvalho de Melo commit 45718bce7daf39c618188b70a52644bb5a2f968a upstream Newer glibc versions return const char for str{str,chr}() where the haystack/s is const so to avoid warnings like these on fedora 44 change some variables to const: 36 8.17 fedora:44 : FAIL gcc version 15.2.1 20251111 (Red Hat 15.2.1-4) (GCC) libbpf.c: In function 'kallsyms_cb': libbpf.c:8489:13: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] 8489 | res = strstr(sym_name, ".llvm."); Reviewed-by: Ian Rogers Link: https://lore.kernel.org/r/20251211221756.96294-4-acme@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Shreenidhi Shedi --- tools/perf/jvmti/libjvmti.c | 2 +- tools/perf/util/evlist.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/perf/jvmti/libjvmti.c b/tools/perf/jvmti/libjvmti.c index fcca275e5bf9..d6b04d0fd35a 100644 --- a/tools/perf/jvmti/libjvmti.c +++ b/tools/perf/jvmti/libjvmti.c @@ -142,7 +142,7 @@ copy_class_filename(const char * class_sign, const char * file_name, char * resu */ if (*class_sign == 'L') { int j, i = 0; - char *p = strrchr(class_sign, '/'); + const char *p = strrchr(class_sign, '/'); if (p) { /* drop the 'L' prefix and copy up to the final '/' */ for (i = 0; i < (p - class_sign); i++) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 41bbe6f85b0d..391a694ae2af 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1885,7 +1885,8 @@ static int evlist__parse_control_fifo(const char *str, int *ctl_fd, int *ctl_fd_ int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close) { - char *comma = NULL, *endptr = NULL; + const char *comma = NULL; + char *endptr = NULL; *ctl_fd_close = false; -- 2.54.0