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perf callchains: Switch from strtok() to strtok_r() when parsing options 

Trying to keep everything reentrant.

Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/n/tip-rdce0p2k9e1b4qnrb8ki9mtf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-04-05 11:38:10 -03:00
parent 9df9078ef2
commit dadafc315d
1 changed files with 2 additions and 2 deletions
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4
tools/perf/util/callchain.c
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@ -116,7 +116,7 @@ static int
__parse_callchain_report_opt(const char *arg, bool allow_record_opt)
{
char *tok;
char *endptr;
char *endptr, *saveptr = NULL;
bool minpcnt_set = false;
bool record_opt_set = false;
bool try_stack_size = false;
@ -127,7 +127,7 @@ __parse_callchain_report_opt(const char *arg, bool allow_record_opt)
if (!arg)
return 0;
while ((tok = strtok((char *)arg, ",")) != NULL) {
while ((tok = strtok_r((char *)arg, ",", &saveptr)) != NULL) {
if (!strncmp(tok, "none", strlen(tok))) {
callchain_param.mode = CHAIN_NONE;
callchain_param.enabled = false;