ftrace: Fix possible undefined return code

kernel/trace/ftrace.c: In function 'ftrace_regex_write.clone.15':
kernel/trace/ftrace.c:2743:6: warning: 'ret' may be used uninitialized in this
function

Signed-off-by: GuoWen Li <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Steven Rostedt <[email protected]>

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1ee417fcbfa5a09c4f337261f6c0867d9143d3de..204b3eb4e690e4d31042c979d2f7da5eb4738577 100644 (file)
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2740,7 +2740,7 @@ static int ftrace_process_regex(struct ftrace_hash *hash,
 {
        char *func, *command, *next = buff;
        struct ftrace_func_command *p;
-       int ret;
+       int ret = -EINVAL;
 
        func = strsep(&next, ":");