diff mbox series

libtracefs: Free the regex in update_filter()

Message ID 20210506100010.483b2374@gandalf.local.home (mailing list archive)
State Accepted
Commit ee9ae8eea18e12945037f9ada579de40de715116
Headers show
Series libtracefs: Free the regex in update_filter() | expand

Commit Message

Steven Rostedt May 6, 2021, 2 p.m. UTC 
From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>

A regex is used to match functions in update_filter() using the regcomp()
functionality. But regcomp() needs to release its resources via regfree()
which is lacking in this function.

Fixes: 2df4a7ea ("libtracefs: Add checking of available_filter_functions to tracefs_function_filter()")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 src/tracefs-tools.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/src/tracefs-tools.c b/src/tracefs-tools.c
index 6ef17f6..993fb3c 100644
--- a/src/tracefs-tools.c
+++ b/src/tracefs-tools.c
@@ -816,6 +816,7 @@  static int update_filter(const char *filter_path, int *fd,
 	}
 
  out_free:
+	regfree(&func_filter.re);
 	free_func_list(func_list);
  out:
 	pthread_mutex_unlock(lock);