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-rw-r--r--kernel/trace/trace_uprobe.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index eb7e06b54741..a88c692e3b8a 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -443,10 +443,17 @@ static int trace_uprobe_create(int argc, const char **argv)
ret = 0;
ref_ctr_offset = 0;
- /* argc must be >= 1 */
- if (argv[0][0] == 'r')
+ switch (argv[0][0]) {
+ case 'r':
is_return = true;
- else if (argv[0][0] != 'p' || argc < 2)
+ break;
+ case 'p':
+ break;
+ default:
+ return -ECANCELED;
+ }
+
+ if (argc < 2)
return -ECANCELED;
if (argv[0][1] == ':')