device-mapper-persistent-data/0001-all-Fix-resource-leaks.patch
2021-06-10 15:05:05 +02:00

43 lines
1.3 KiB
Diff

From 48676b9f1aac63f8a30ed8061b6e719929b82c98 Mon Sep 17 00:00:00 2001
From: Ming-Hung Tsai <mtsai@redhat.com>
Date: Wed, 28 Apr 2021 10:34:16 +0800
Subject: [PATCH 01/10] [all] Fix resource leaks
---
base/file_utils.cc | 4 +++-
thin-provisioning/cache_stream.cc | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/base/file_utils.cc b/base/file_utils.cc
index e4f3722..8253660 100644
--- a/base/file_utils.cc
+++ b/base/file_utils.cc
@@ -155,8 +155,10 @@ file_utils::zero_superblock(std::string const &path)
throw runtime_error("out of memory");
memset(buffer, 0, SUPERBLOCK_SIZE);
- if (::write(fd.fd_, buffer, SUPERBLOCK_SIZE) != SUPERBLOCK_SIZE)
+ if (::write(fd.fd_, buffer, SUPERBLOCK_SIZE) != SUPERBLOCK_SIZE) {
+ free(buffer);
throw runtime_error("couldn't zero superblock");
+ }
}
//----------------------------------------------------------------
diff --git a/thin-provisioning/cache_stream.cc b/thin-provisioning/cache_stream.cc
index 002b6ba..73b01b4 100644
--- a/thin-provisioning/cache_stream.cc
+++ b/thin-provisioning/cache_stream.cc
@@ -62,7 +62,7 @@ chunk const &
cache_stream::get()
{
chunk_wrapper *w = new chunk_wrapper(*this);
- return w->c_;
+ return w->c_; // wrapper will get freed by the put method
}
void
--
1.8.3.1