From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 19/24] perf annotate: Propagate perf_env__arch() error Date: Tue, 1 Oct 2019 08:12:11 -0300 Message-ID: <20191001111216.7208-20-acme@kernel.org> References: <20191001111216.7208-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20191001111216.7208-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Russell King - ARM Linux admin , Adrian Hunter , Alexander Shishkin , Peter Zijlstra , Will Deacon List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo The callers of symbol__annotate2() use symbol__strerror_disassemble() to convert its failure returns into a human readable string, so propagate error values from functions it calls, starting with perf_env__arch() that when fails the right thing to do is to look at 'errno' to see why its possible call to uname() failed. Reported-by: Russell King - ARM Linux admin Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra , Cc: Will Deacon Link: https://lkml.kernel.org/n/tip-it5d83kyusfhb1q1b0l4pxzs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index e830eadfca2a..9b7b9176e713 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -2071,7 +2071,7 @@ int symbol__annotate(struct symbol *sym, struct map *map, int err; if (!arch_name) - return -1; + return errno; args.arch = arch = arch__find(arch_name); if (arch == NULL) -- 2.21.0