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authorDavid Ahern <dsahern@gmail.com>2012-09-08 19:06:51 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-09-09 00:15:04 +0400
commit1fb89448871500e5d5e7ad93d6dae68ee4fa464a (patch)
tree3092d01f4007951b9776379695b6917a8ccf4145 /tools/perf/util/probe-event.c
parentbfd14b9a7231e7cf77520bca1848c40c6b6360ae (diff)
downloadlinux-1fb89448871500e5d5e7ad93d6dae68ee4fa464a.tar.xz
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>
Diffstat (limited to 'tools/perf/util/probe-event.c')
-rw-r--r--tools/perf/util/probe-event.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 0dda25d82d06..e8c72de0f70c 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -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);