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authorChangbin Du <changbin.du@intel.com>2018-01-16 17:02:30 +0800
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2018-01-23 15:57:28 -0500
commitf4d0706cde27f29ff89e6bf94ded4113f8fe6e80 (patch)
tree5cd8ddafa8948c8f64fb52c88d61f85d2d773cb7 /kernel/trace/trace_events.c
parent76638d96502744b0d593f2386b75ae5a017c13bb (diff)
tracing: Make sure the parsed string always terminates with '\0'
Always mark the parsed string with a terminated nul '\0' character. This removes the need for the users to have to append the '\0' before using the parsed string. Link: http://lkml.kernel.org/r/1516093350-12045-4-git-send-email-changbin.du@intel.com Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Changbin Du <changbin.du@intel.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
-rw-r--r--kernel/trace/trace_events.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 1b87157edbff..05c7172c6667 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -885,8 +885,6 @@ ftrace_event_write(struct file *file, const char __user *ubuf,
if (*parser.buffer == '!')
set = 0;
- parser.buffer[parser.idx] = 0;
-
ret = ftrace_set_clr_event(tr, parser.buffer + !set, set);
if (ret)
goto out_put;