Commit 02772fbf authored Jul 20, 2020 by Chao Yu Committed by Jaegeuk Kim Jul 20, 2020

f2fs: compress: fix to avoid memory leak on cc->cpages



Memory allocated for storing compressed pages' poitner should be
released after f2fs_write_compressed_pages(), otherwise it will
cause memory leak issue.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Fixes: 4c8ff709 ("f2fs: support data compression")
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 3357af8f

fs/f2fs/compress.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1385,6 +1385,8 @@ int f2fs_write_multi_pages(struct compress_ctx *cc,
		err = f2fs_write_compressed_pages(cc, submitted,
		wbc, io_type);
		cops->destroy_compress_ctx(cc);
		kfree(cc->cpages);
		cc->cpages = NULL;
		if (!err)
		return 0;
		f2fs_bug_on(F2FS_I_SB(cc->inode), err != -EAGAIN);

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