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| author |  Changbin Du <changbin.du@intel.com>
| 2018-01-16 17:02:30 +0800 |
|---|---|---|
| committer |  Steven Rostedt (VMware) <rostedt@goodmis.org>
| 2018-01-23 15:57:28 -0500 |
| commit | f4d0706cde27f29ff89e6bf94ded4113f8fe6e80 (patch) | |
| tree | 5cd8ddafa8948c8f64fb52c88d61f85d2d773cb7 /kernel/trace/ftrace.c | |
| parent | tracing: Clear parser->idx if only spaces are read (diff) | |
| download | linux-f4d0706cde27f29ff89e6bf94ded4113f8fe6e80.tar.gz linux-f4d0706cde27f29ff89e6bf94ded4113f8fe6e80.tar.bz2 linux-f4d0706cde27f29ff89e6bf94ded4113f8fe6e80.zip | |
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/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 554b517c61a0..dabd9d167d42 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -5015,7 +5015,6 @@ int ftrace_regex_release(struct inode *inode, struct file *file) parser = &iter->parser; if (trace_parser_loaded(parser)) { - parser->buffer[parser->idx] = 0; ftrace_match_records(iter->hash, parser->buffer, parser->idx); } @@ -5329,7 +5328,6 @@ ftrace_graph_release(struct inode *inode, struct file *file) parser = &fgd->parser; if (trace_parser_loaded((parser))) { - parser->buffer[parser->idx] = 0; ret = ftrace_graph_set_hash(fgd->new_hash, parser->buffer); } |