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Message-ID: <CAPgLHd-J=j=aVCpjutq2B1+NMqxz=v50xNcEQA_57Ni_7v9HKA@mail.gmail.com> Date: Wed, 27 Feb 2013 13:18:53 +0800 From: Wei Yongjun <weiyj.lk@...il.com> To: tytso@....edu, adilger.kernel@...ger.ca Cc: yongjun_wei@...ndmicro.com.cn, linux-ext4@...r.kernel.org Subject: [PATCH] ext4: fix possible memory leak in ext4_remount() From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> 'orig_data' is malloced in ext4_remount() and should be freed before leaving from the error handling cases, otherwise it will cause memory leak. Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> --- fs/ext4/super.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 373d46c..8ae09e3 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4538,6 +4538,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) if (!old_opts.s_qf_names[i]) { for (j = 0; j < i; j++) kfree(old_opts.s_qf_names[j]); + kfree(orig_data); return -ENOMEM; } } else -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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