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author | Wang Nan <wangnan0@huawei.com> | 2015-03-20 02:57:52 +0000 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-03-20 17:49:51 -0300 |
commit | 8b8ca6e15e392b366a7d69c6bf1abaae005f2b63 (patch) | |
tree | 64df00847713dd35e37580f5bf9ff615e0574a1b /tools/perf/builtin-mem.c | |
parent | 0635b0f71424be7706793ac260d063491a2889a0 (diff) | |
download | linux-8b8ca6e15e392b366a7d69c6bf1abaae005f2b63.tar.gz linux-8b8ca6e15e392b366a7d69c6bf1abaae005f2b63.tar.bz2 linux-8b8ca6e15e392b366a7d69c6bf1abaae005f2b63.zip |
perf tools: Don't allow empty argument for field-separator
Both 'perf diff' and 'perf mem' have 'field-separator' option, which
causes segfault if passed with empty string. This patch uses previously
introduced 'OPT_STRING_NOEMPTY' option macro to prevent fault.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: pi3orama@163.com
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Link: http://lkml.kernel.org/r/1426820272-23302-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-mem.c')
-rw-r--r-- | tools/perf/builtin-mem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 46c69318de84..b4dcf0bfc029 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -286,7 +286,7 @@ int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) "input file name"), OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", "list of cpus to profile"), - OPT_STRING('x', "field-separator", &symbol_conf.field_sep, + OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, "separator", "separator for columns, no spaces will be added" " between columns '.' is reserved."), |