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-rw-r--r--kernel/trace/trace_uprobe.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 51bd071eaca0..5a7f1a6b3b8b 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -1026,7 +1026,7 @@ static int uprobe_perf_close(struct trace_uprobe *tu, struct perf_event *event)
write_unlock(&tu->filter.rwlock);
if (!done)
- uprobe_apply(tu->inode, tu->offset, &tu->consumer, false);
+ return uprobe_apply(tu->inode, tu->offset, &tu->consumer, false);
return 0;
}
@@ -1034,6 +1034,7 @@ static int uprobe_perf_close(struct trace_uprobe *tu, struct perf_event *event)
static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event)
{
bool done;
+ int err;
write_lock(&tu->filter.rwlock);
if (event->hw.tp_target) {
@@ -1055,10 +1056,13 @@ static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event)
}
write_unlock(&tu->filter.rwlock);
- if (!done)
- uprobe_apply(tu->inode, tu->offset, &tu->consumer, true);
-
- return 0;
+ err = 0;
+ if (!done) {
+ err = uprobe_apply(tu->inode, tu->offset, &tu->consumer, true);
+ if (err)
+ uprobe_perf_close(tu, event);
+ }
+ return err;
}
static bool uprobe_perf_filter(struct uprobe_consumer *uc,
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