When I inject incorrect argument into uprobe_events,
[root@jovi tracing]# echo 'p:myprobe /bin/bash' > uprobe_events
[root@jovi tracing]#
it doesn't return any error value in there, this patch fix it.
Signed-off-by: zhangwei(Jovi) <jovi.zhang...@huawei.com>
---
kernel/trace/trace_uprobe.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 32494fb0..d5d0cd3 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -283,8 +283,10 @@ static int create_trace_uprobe(int argc, char **argv)
return -EINVAL;
}
arg = strchr(argv[1], ':');
- if (!arg)
+ if (!arg) {
+ ret = -EINVAL;
goto fail_address_parse;
+ }
*arg++ = '\0';
filename = argv[1];
--
1.7.9.7
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