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perf probe: Make a copy of exec path for passing to basename 

The basename function may modify the string passed to it, so the string
should not be marked const.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Irina Tirdea <irina.tirdea@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1347116812-93646-3-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern 2012-09-08 09:06:51 -06:00 committed by Arnaldo Carvalho de Melo
parent bfd14b9a72
commit 1fb8944887
1 changed files with 10 additions and 2 deletions
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12
tools/perf/util/probe-event.c
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@ -2307,10 +2307,17 @@ static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec)
function = NULL;
}
if (!pev->group) {
char *ptr1, *ptr2;
char *ptr1, *ptr2, *exec_copy;
pev->group = zalloc(sizeof(char *) * 64);
ptr1 = strdup(basename(exec));
exec_copy = strdup(exec);
if (!exec_copy) {
ret = -ENOMEM;
pr_warning("Failed to copy exec string.\n");
goto out;
}
ptr1 = strdup(basename(exec_copy));
if (ptr1) {
ptr2 = strpbrk(ptr1, "-._");
if (ptr2)
@ -2319,6 +2326,7 @@ static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec)
ptr1);
free(ptr1);
}
free(exec_copy);
}
free(pp->function);
pp->function = zalloc(sizeof(char *) * MAX_PROBE_ARGS);