36 lines
977 B
Diff
36 lines
977 B
Diff
From c3215a532441a9a397d1b12c63827e8f7233938b Mon Sep 17 00:00:00 2001
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From: wuguanghao <wuguanghao3@huawei.com>
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Date: Wed, 30 Jun 2021 16:27:15 +0800
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Subject: [PATCH] zap_sector: fix memory leak
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In zap_sector(), need free buf before return,
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otherwise it will cause memory leak.
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Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
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Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
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Reviewed-by: Wu Bo <wubo40@huawei.com>
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Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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---
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misc/mke2fs.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/misc/mke2fs.c b/misc/mke2fs.c
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index 54aa340a..9fa6eaa7 100644
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--- a/misc/mke2fs.c
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+++ b/misc/mke2fs.c
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@@ -585,8 +585,10 @@ static void zap_sector(ext2_filsys fs, int sect, int nsect)
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else {
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magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
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if ((*magic == BSD_DISKMAGIC) ||
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- (*magic == BSD_MAGICDISK))
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+ (*magic == BSD_MAGICDISK)) {
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+ free(buf);
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return;
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+ }
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}
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}
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--
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2.25.1
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