diff options
| author | Samuel Liao <[email protected]> | 2012-06-05 05:14:59 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2012-06-19 17:30:26 +0000 |
| commit | c0a58fb2bdf033df433cad9009c7dac4c6b872b0 (patch) | |
| tree | d4c65704aae722151a0d85cca74d1e30577c99e4 /tools/perf/ui/browsers/annotate.c | |
| parent | perf evsel: Make some methods private (diff) | |
| download | kernel-c0a58fb2bdf033df433cad9009c7dac4c6b872b0.tar.gz kernel-c0a58fb2bdf033df433cad9009c7dac4c6b872b0.zip | |
perf annotate: Check null of sym pointer before using it
Sym may be NULL, and that will cause perf to crash.
Signed-off-by: Shan Wei <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/ui/browsers/annotate.c')
| -rw-r--r-- | tools/perf/ui/browsers/annotate.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 34b1c46eaf42..67a2703e666a 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -814,7 +814,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, { struct disasm_line *pos, *n; struct annotation *notes; - const size_t size = symbol__size(sym); + size_t size; struct map_symbol ms = { .map = map, .sym = sym, @@ -834,6 +834,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, if (sym == NULL) return -1; + size = symbol__size(sym); + if (map->dso->annotate_warned) return -1; |