linux-kernel - Re: [PATCH RFC 10/13] usb: gadget: simplify the printing with '%pD' specifier

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Message-ID: <874kcwyr4q.fsf@kernel.org>
Date:   Thu, 15 Jul 2021 10:26:29 +0300
From:   Felipe Balbi <balbi@...nel.org>
To:     Jia He <justin.he@....com>, linux-kernel@...r.kernel.org
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Christoph Hellwig <hch@...radead.org>, nd@....com,
        Jia He <justin.he@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Chen Lin <chen.lin5@....com.cn>, linux-usb@...r.kernel.org
Subject: Re: [PATCH RFC 10/13] usb: gadget: simplify the printing with '%pD'
 specifier

Jia He <justin.he@....com> writes:

> After the behavior of '%pD' is changed to print the full path of file,
> the log printing in fsg_common_create_lun() can be simplified.
>
> Given the space with proper length would be allocated in vprintk_store(),
> it is worthy of dropping kmalloc()/kfree() to avoid additional space
> allocation. The error case is well handled in d_path_unsafe(), the error
> string would be copied in '%pD' buffer, no need to additionally handle
> IS_ERR().
>
> Cc: Felipe Balbi <balbi@...nel.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: "Gustavo A. R. Silva" <gustavoars@...nel.org>
> Cc: Chen Lin <chen.lin5@....com.cn>
> Cc: linux-usb@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Jia He <justin.he@....com>

Acked-by: Felipe Balbi <balbi@...nel.org>

-- 
balbi

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