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From: Pan Bian <bianpan2016@163.com>
To: Jan Kara <jack@suse.cz>, Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Pan Bian <bianpan2016@163.com>
Subject: [PATCH] isofs: release buffer head before return
Date: Mon, 18 Jan 2021 04:04:55 -0800	[thread overview]
Message-ID: <20210118120455.118955-1-bianpan2016@163.com> (raw)

Release the buffer header before returning error code.

Fixes: 2deb1acc653c ("isofs: fix access to unallocated memory when reading corrupted filesystem")
Signed-off-by: Pan Bian <bianpan2016@163.com>
---
 fs/isofs/dir.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index f0fe641893a5..b9e6a7ec78be 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -152,6 +152,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *file,
 			printk(KERN_NOTICE "iso9660: Corrupted directory entry"
 			       " in block %lu of inode %lu\n", block,
 			       inode->i_ino);
+			brelse(bh);
 			return -EIO;
 		}
 
-- 
2.17.1


             reply	other threads:[~2021-01-18 16:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-18 12:04 Pan Bian [this message]
2021-01-18 14:41 ` [PATCH] isofs: release buffer head before return Jan Kara
2021-01-25 16:58   ` Jan Kara

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