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Message-ID: <20210630082724.50838-4-wuguanghao3@huawei.com> Date: Wed, 30 Jun 2021 16:27:15 +0800 From: wuguanghao <wuguanghao3@...wei.com> To: <linux-ext4@...r.kernel.org>, <artem.blagodarenko@...il.com> CC: <liuzhiqiang26@...wei.com>, <linfeilong@...wei.com>, <wuguanghao3@...wei.com> Subject: [PATCH v2 03/12] zap_sector: fix memory leak In zap_sector(), need free buf before return, otherwise it will cause memory leak. Signed-off-by: Wu Guanghao <wuguanghao3@...wei.com> Signed-off-by: Zhiqiang Liu <liuzhiqiang26@...wei.com> Reviewed-by: Wu Bo <wubo40@...wei.com> --- misc/mke2fs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/misc/mke2fs.c b/misc/mke2fs.c index afbcf486..68e36ecc 100644 --- a/misc/mke2fs.c +++ b/misc/mke2fs.c @@ -585,8 +585,10 @@ static void zap_sector(ext2_filsys fs, int sect, int nsect) else { magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); if ((*magic == BSD_DISKMAGIC) || - (*magic == BSD_MAGICDISK)) + (*magic == BSD_MAGICDISK)) { + free(buf); return; + } } } -- 2.19.1
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