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| author | Andreas Gerstmayr <agerstmayr@redhat.com> | 2020-04-02 14:54:16 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-04-03 09:39:53 -0300 |
| commit | 1a4025f06059eeaecb2ef24363350ea3431568df (patch) | |
| tree | df1f51595a4fdc24448a551711d5d46d1f89e384 /lib/logic_pio.c | |
| parent | 628d736d913a490d587941e8f68392f2de17e37a (diff) | |
| download | linux-stable-1a4025f06059eeaecb2ef24363350ea3431568df.tar.gz linux-stable-1a4025f06059eeaecb2ef24363350ea3431568df.tar.bz2 linux-stable-1a4025f06059eeaecb2ef24363350ea3431568df.zip | |
perf script report: Fix SEGFAULT when using DWARF mode
When running perf script report with a Python script and a callgraph in
DWARF mode, intr_regs->regs can be 0 and therefore crashing the regs_map
function.
Added a check for this condition (same check as in builtin-script.c:595).
Signed-off-by: Andreas Gerstmayr <agerstmayr@redhat.com>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lore.kernel.org/lkml/20200402125417.422232-1-agerstmayr@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'lib/logic_pio.c')
0 files changed, 0 insertions, 0 deletions