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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-13 18:40:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-13 18:40:00 -0700
commit50987beca096a7ed4f453a6da245fd6a2fadedeb (patch)
tree4dd912eeded6cc698d02850050b04dad450d77c1 /kernel/trace
parenteebe426d32e1a10ac7c35f8ffab5f818c32a2454 (diff)
parent8db403b9631331ef1d5e302cdf353c48849ca9d5 (diff)
downloadlinux-50987beca096a7ed4f453a6da245fd6a2fadedeb.tar.gz
Merge tag 'trace-v5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
 "Fix a memory link in dyn_event_release().

  An error path exited the function before freeing the allocated 'argv'
  variable"

* tag 'trace-v5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing/dynevent: Fix a memory leak in an error handling path
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_dynevent.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c
index dc971a68dda4..e57cc0870892 100644
--- a/kernel/trace/trace_dynevent.c
+++ b/kernel/trace/trace_dynevent.c
@@ -63,8 +63,10 @@ int dyn_event_release(const char *raw_command, struct dyn_event_operations *type
 		event = p + 1;
 		*p = '\0';
 	}
-	if (event[0] == '\0')
-		return -EINVAL;
+	if (event[0] == '\0') {
+		ret = -EINVAL;
+		goto out;
+	}
 
 	mutex_lock(&event_mutex);
 	for_each_dyn_event_safe(pos, n) {