diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c
index 07b96023f518..39f13b097ce2 100644
--- a/drivers/char/adsprpc.c
+++ b/drivers/char/adsprpc.c
@@ -5119,7 +5119,15 @@ static int fastrpc_set_process_info(struct fastrpc_file *fl)
 	if (debugfs_root) {
 		buf_size = strlen(current->comm) + strlen("_")
 			+ strlen(strpid) + 1;
+
+		spin_lock(&fl->hlock);
+		if (fl->debug_buf) {
+			spin_unlock(&fl->hlock);
+			return err;
+		}
 		fl->debug_buf = kzalloc(buf_size, GFP_KERNEL);
+		spin_unlock(&fl->hlock);
+
 		if (!fl->debug_buf) {
 			err = -ENOMEM;
 			return err;