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