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ubifs: dent: Fix some potential memory leaks while iterating entries 

commit 58f6e78a65 upstream.

Fix some potential memory leaks in error handling branches while
iterating dent entries. For example, function dbg_check_dir()
forgets to free pdent if it exists.

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Cc: <stable@vger.kernel.org>
Fixes: 1e51764a3c ("UBIFS: add new flash file system")
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Zhihao Cheng 2020-06-01 17:10:37 +08:00 committed by Greg Kroah-Hartman
parent c1ea3c4a43
commit 213c836b23
1 changed files with 1 additions and 0 deletions
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fs/ubifs/debug.c
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@ -1123,6 +1123,7 @@ int dbg_check_dir(struct ubifs_info *c, const struct inode *dir)
err = PTR_ERR(dent);
if (err == -ENOENT)
break;
kfree(pdent);
return err;
}