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| author | Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2017-05-16 23:21:25 +0530 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2017-05-17 21:51:54 -0400 |
| commit | cbab567c3dc7d6f443b4c84eab76e8967d5c1dee (patch) | |
| tree | 2160f876db3ab3c8020b6013dad01f022fe3b487 /kernel/trace/ftrace.c | |
| parent | 30e7d894c1478c88d50ce94ddcdbd7f9763d9cdd (diff) | |
| download | linux-cbab567c3dc7d6f443b4c84eab76e8967d5c1dee.tar.gz linux-cbab567c3dc7d6f443b4c84eab76e8967d5c1dee.tar.bz2 linux-cbab567c3dc7d6f443b4c84eab76e8967d5c1dee.zip | |
ftrace: Simplify glob handling in unregister_ftrace_function_probe_func()
Handle a NULL glob properly and simplify the check.
Link: http://lkml.kernel.org/r/5df74d4ffb4721db6d5a22fa08ca031d62ead493.1494956770.git.naveen.n.rao@linux.vnet.ibm.com
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 39dca4e86a94..c35c3e67d09a 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4144,9 +4144,9 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, int i, ret = -ENODEV; int size; - if (glob && (strcmp(glob, "*") == 0 || !strlen(glob))) + if (!glob || !strlen(glob) || !strcmp(glob, "*")) func_g.search = NULL; - else if (glob) { + else { int not; func_g.type = filter_parse_regex(glob, strlen(glob), |