linux-kernel - [PATCH] fs/affs: release memory if affs_init

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Message-Id: <20190917041346.4802-1-navid.emamdoost@gmail.com>
Date:   Mon, 16 Sep 2019 23:13:42 -0500
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     emamd001@....edu, smccaman@....edu, kjlu@....edu,
        Navid Emamdoost <navid.emamdoost@...il.com>,
        David Sterba <dsterba@...e.com>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] fs/affs: release memory if affs_init_bitmap fails

In affs_init_bitmap, on error handling path we may release the allocated
memory.

Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
---
 fs/affs/bitmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c
index 5ba9ef2742f6..745ed2cc4b51 100644
--- a/fs/affs/bitmap.c
+++ b/fs/affs/bitmap.c
@@ -347,6 +347,7 @@ int affs_init_bitmap(struct super_block *sb, int *flags)
 out:
 	affs_brelse(bh);
 	affs_brelse(bmap_bh);
+	kfree(sbi->s_bitmap);
 	return res;
 }
 
-- 
2.17.1