From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Andi Shyti <andi.shyti@kernel.org>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
Thomas Abraham <thomas.abraham@linaro.org>,
Kukjin Kim <kgene.kim@samsung.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH 1/2] tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error
Date: Sat, 10 Jun 2023 18:23:58 +0200 [thread overview]
Message-ID: <eb935f16-1f89-0be9-86c9-24e8a88c2d8b@linaro.org> (raw)
In-Reply-To: <20230610145429.uvmxxgxc5tc6x5b5@intel.intel>
On 10/06/2023 16:54, Andi Shyti wrote:
> On Sat, Jun 10, 2023 at 04:07:51PM +0200, Christophe JAILLET wrote:
>> Le 10/06/2023 à 12:26, Andi Shyti a écrit :
>>>> @@ -1459,8 +1459,10 @@ static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport,
>>>> continue;
>>>> rate = clk_get_rate(clk);
>>>> - if (!rate)
>>>> + if (!rate) {
>>>> + clk_put(clk);
>>>> continue;
>>>
>>> could you also print an error here?
>>>
>>
>> Is:
>> dev_err(ourport->port.dev,
>> "Failed to get clock rate for %s.\n", clkname);
Why do we need it? Most of other users of clk_get_rate() don't print.
Probably because such condition is highly unlikely if not impossible.
This makes simple function unnecessarily bigger...
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-06-10 16:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-09 4:45 [PATCH 1/2] tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error Christophe JAILLET
2023-06-09 4:45 ` [PATCH 2/2] tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk Christophe JAILLET
2023-06-09 8:57 ` AW: " Walter Harms
2023-06-09 11:56 ` Krzysztof Kozlowski
2023-06-09 16:17 ` Christophe JAILLET
2023-06-09 11:53 ` Krzysztof Kozlowski
2023-06-10 10:39 ` Andi Shyti
2023-06-10 10:45 ` Krzysztof Kozlowski
2023-06-10 10:57 ` Andi Shyti
2023-06-09 11:51 ` [PATCH 1/2] tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error Krzysztof Kozlowski
2023-06-10 10:26 ` Andi Shyti
2023-06-10 14:07 ` Christophe JAILLET
2023-06-10 14:54 ` Andi Shyti
2023-06-10 16:23 ` Krzysztof Kozlowski [this message]
2023-06-10 17:10 ` Andi Shyti
2023-06-10 17:32 ` Krzysztof Kozlowski
2023-06-10 17:40 ` Christophe JAILLET
2023-06-12 4:53 ` Dan Carpenter
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