From: Rabin Vincent Date: Sun, 18 Jan 2015 19:00:20 +0000 (+0100) Subject: perf annotate: Handle ins parsing failures X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=be81908c2289f405df75d2511ccf5da785945400;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git perf annotate: Handle ins parsing failures Don't use the ins's ->sncprintf() if the parsing failed. For example, this fixes the display of "imul %edx". Without this patch: | imul (null),(null) After this patch: | imul %edx Signed-off-by: Rabin Vincent Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1421607621-15005-1-git-send-email-rabin@rab.in Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 79999ceaf2be..d5da1b85541b 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -183,8 +183,9 @@ static int lock__parse(struct ins_operands *ops) if (!ops->locked.ins->ops) return 0; - if (ops->locked.ins->ops->parse) - ops->locked.ins->ops->parse(ops->locked.ops); + if (ops->locked.ins->ops->parse && + ops->locked.ins->ops->parse(ops->locked.ops) < 0) + goto out_free_ops; return 0; @@ -531,8 +532,8 @@ static void disasm_line__init_ins(struct disasm_line *dl) if (!dl->ins->ops) return; - if (dl->ins->ops->parse) - dl->ins->ops->parse(&dl->ops); + if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0) + dl->ins = NULL; } static int disasm_line__parse(char *line, char **namep, char **rawp)