[PATCH] Fix compiler warning in ftrace.c

[GuoWen Li]

kernel/trace/ftrace.c: In function âftrace_regex_write.clone.15â:
kernel/trace/ftrace.c:2743:6: warning: âretâ may be used uninitialized in this 
function

Signed-off-by: GuoWen Li
---
 kernel/trace/ftrace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1ee417f..204b3eb 100644
--- 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, ":");
--
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