diff options
| author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2020-02-05 16:34:04 -0600 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-02-10 12:07:42 -0500 |
| commit | 10f129cb59cf6b4aee419ce4b1325fc532d975fb (patch) | |
| tree | 3e1da8346794e91a61869d7dfe63a12cf36e8e37 | |
| parent | 26445f98ead38b90423a2deffce2caa3b97a3d78 (diff) | |
| download | linux-10f129cb59cf6b4aee419ce4b1325fc532d975fb.tar.bz2 | |
tracing/kprobe: Fix uninitialized variable bug
There is a potential execution path in which variable *ret* is returned
without being properly initialized, previously.
Fix this by initializing variable *ret* to 0.
Link: http://lkml.kernel.org/r/20200205223404.GA3379@embeddedor
Addresses-Coverity-ID: 1491142 ("Uninitialized scalar variable")
Fixes: 2a588dd1d5d6 ("tracing: Add kprobe event command generation functions")
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 51efc790aea8..21bafd48f2ac 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1012,7 +1012,7 @@ int __kprobe_event_add_fields(struct dynevent_cmd *cmd, ...) { struct dynevent_arg arg; va_list args; - int ret; + int ret = 0; if (cmd->type != DYNEVENT_TYPE_KPROBE) return -EINVAL; |