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path: root/kernel/trace/trace_fprobe.c
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Diffstat (limited to 'kernel/trace/trace_fprobe.c')
-rw-r--r--kernel/trace/trace_fprobe.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c
index 4f4280815522..62e6a8f4aae9 100644
--- a/kernel/trace/trace_fprobe.c
+++ b/kernel/trace/trace_fprobe.c
@@ -994,6 +994,7 @@ static int __trace_fprobe_create(int argc, const char *argv[])
char gbuf[MAX_EVENT_NAME_LEN];
char sbuf[KSYM_NAME_LEN];
char abuf[MAX_BTF_ARGS_LEN];
+ char *dbuf = NULL;
bool is_tracepoint = false;
struct tracepoint *tpoint = NULL;
struct traceprobe_parse_context ctx = {
@@ -1104,6 +1105,10 @@ static int __trace_fprobe_create(int argc, const char *argv[])
argv = new_argv;
}
+ ret = traceprobe_expand_dentry_args(argc, argv, &dbuf);
+ if (ret)
+ goto out;
+
/* setup a probe */
tf = alloc_trace_fprobe(group, event, symbol, tpoint, maxactive,
argc, is_return);
@@ -1154,6 +1159,7 @@ out:
trace_probe_log_clear();
kfree(new_argv);
kfree(symbol);
+ kfree(dbuf);
return ret;
parse_error: