linux-kernel - RE: [PATCH v3] binderfs: fix error return code in binderfs_fill

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Date:   Wed, 16 Jan 2019 10:34:57 +0000
From:   "weiyongjun (A)" <weiyongjun1@...wei.com>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "arve@...roid.com" <arve@...roid.com>,
        "tkjos@...roid.com" <tkjos@...roid.com>,
        "maco@...roid.com" <maco@...roid.com>,
        "joel@...lfernandes.org" <joel@...lfernandes.org>,
        "christian@...uner.io" <christian@...uner.io>
CC:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: RE: [PATCH v3] binderfs: fix error return code in
 binderfs_fill_super()

Sorry,  please ignore this patch, missing reviewed-by line, I will send a new version.

> -----Original Message-----
> From: weiyongjun (A)
> Sent: Wednesday, January 16, 2019 6:39 PM
> To: gregkh@...uxfoundation.org; arve@...roid.com; tkjos@...roid.com;
> maco@...roid.com; joel@...lfernandes.org; christian@...uner.io
> Cc: weiyongjun (A) <weiyongjun1@...wei.com>;
> devel@...verdev.osuosl.org; linux-kernel@...r.kernel.org; kernel-
> janitors@...r.kernel.org
> Subject: [PATCH v3] binderfs: fix error return code in binderfs_fill_super()
> 
> Fix to return a negative error code -ENOMEM from the new_inode() and
> d_make_root() error handling cases instead of 0, as done elsewhere in
> this function.
> 
> Fixes: 849d540ddfcd ("binderfs: implement "max" mount option")
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
> ---
> v1 -> v2: move 'ret = -ENOMEM' out of if
> v2 -> v3: use correct fixes commit
> ---
>  drivers/android/binderfs.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
> index 9518e2e..e4ff4c3 100644
> --- a/drivers/android/binderfs.c
> +++ b/drivers/android/binderfs.c
> @@ -518,6 +518,7 @@ static int binderfs_fill_super(struct super_block *sb,
> void *data, int silent)
> 
>  	sb->s_fs_info = info;
> 
> +	ret = -ENOMEM;
>  	inode = new_inode(sb);
>  	if (!inode)
>  		goto err_without_dentry;
> 
>