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perf annotate: Fix the signedness of failure returns 

Callers of symbol__annotate() expect a errno value or some other
extended error value range in symbol__strerror_disassemble() to
convert to a proper error string, fix it when propagating a failure to
find the arch specific annotation routines via arch__find(arch_name).

Reported-by: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/n/tip-o0k6dw7cas0vvmjjvgsyvu1i@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-09-30 15:11:47 -03:00
parent a66fa0619a
commit 28f4417c33
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/annotate.c
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@ -2075,7 +2075,7 @@ int symbol__annotate(struct symbol *sym, struct map *map,
args.arch = arch = arch__find(arch_name);
if (arch == NULL)
return -ENOTSUP;
return ENOTSUP;
if (parch)
*parch = arch;