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* [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init()
@ 2023-09-21  9:10 Minjie Du
  2023-09-25 13:45 ` Alexandre Mergnat
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Minjie Du @ 2023-09-21  9:10 UTC (permalink / raw)
  To: Rafael J. Wysocki, Daniel Lezcano, Amit Kucheria, Zhang Rui,
	Philipp Zabel, Matthias Brugger, AngeloGioacchino Del Regno,
	Alexandre Mergnat, Nícolas F. R. A. Prado, Minjie Du,
	Chen-Yu Tsai, Balsam CHIHI, open list:THERMAL, open list,
	moderated list:ARM/Mediatek SoC support,
	moderated list:ARM/Mediatek SoC support
  Cc: opensource.kernel

debugfs_create_dir() function returns an error value embedded in
the pointer (PTR_ERR). Evaluate the return value using IS_ERR
rather than checking for NULL.

Signed-off-by: Minjie Du <duminjie@vivo.com>
---
 drivers/thermal/mediatek/lvts_thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index effd9b00a424..88240600e6ce 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -213,7 +213,7 @@ static int lvts_debugfs_init(struct device *dev, struct lvts_domain *lvts_td)
 
 		sprintf(name, "controller%d", i);
 		dentry = debugfs_create_dir(name, lvts_td->dom_dentry);
-		if (!dentry)
+		if (IS_ERR(dentry))
 			continue;
 
 		regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
-- 
2.39.0



^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init()
  2023-09-21  9:10 [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init() Minjie Du
@ 2023-09-25 13:45 ` Alexandre Mergnat
  2023-09-26  4:00 ` Chen-Yu Tsai
  2023-09-28 13:59 ` Daniel Lezcano
  2 siblings, 0 replies; 4+ messages in thread
From: Alexandre Mergnat @ 2023-09-25 13:45 UTC (permalink / raw)
  To: Minjie Du, Rafael J. Wysocki, Daniel Lezcano, Amit Kucheria,
	Zhang Rui, Philipp Zabel, Matthias Brugger,
	AngeloGioacchino Del Regno, Nícolas F. R. A. Prado,
	Chen-Yu Tsai, Balsam CHIHI, open list:THERMAL, open list,
	moderated list:ARM/Mediatek SoC support,
	moderated list:ARM/Mediatek SoC support
  Cc: opensource.kernel

Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>

On 21/09/2023 11:10, Minjie Du wrote:
> debugfs_create_dir() function returns an error value embedded in
> the pointer (PTR_ERR). Evaluate the return value using IS_ERR
> rather than checking for NULL.

-- 
Regards,
Alexandre


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init()
  2023-09-21  9:10 [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init() Minjie Du
  2023-09-25 13:45 ` Alexandre Mergnat
@ 2023-09-26  4:00 ` Chen-Yu Tsai
  2023-09-28 13:59 ` Daniel Lezcano
  2 siblings, 0 replies; 4+ messages in thread
From: Chen-Yu Tsai @ 2023-09-26  4:00 UTC (permalink / raw)
  To: Minjie Du
  Cc: Rafael J. Wysocki, Daniel Lezcano, Amit Kucheria, Zhang Rui,
	Philipp Zabel, Matthias Brugger, AngeloGioacchino Del Regno,
	Alexandre Mergnat, Nícolas F. R. A. Prado, Balsam CHIHI,
	open list:THERMAL, open list,
	moderated list:ARM/Mediatek SoC support,
	moderated list:ARM/Mediatek SoC support, opensource.kernel

On Thu, Sep 21, 2023 at 5:11 PM Minjie Du <duminjie@vivo.com> wrote:
>
> debugfs_create_dir() function returns an error value embedded in
> the pointer (PTR_ERR). Evaluate the return value using IS_ERR
> rather than checking for NULL.
>
> Signed-off-by: Minjie Du <duminjie@vivo.com>

Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init()
  2023-09-21  9:10 [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init() Minjie Du
  2023-09-25 13:45 ` Alexandre Mergnat
  2023-09-26  4:00 ` Chen-Yu Tsai
@ 2023-09-28 13:59 ` Daniel Lezcano
  2 siblings, 0 replies; 4+ messages in thread
From: Daniel Lezcano @ 2023-09-28 13:59 UTC (permalink / raw)
  To: Minjie Du, Rafael J. Wysocki, Amit Kucheria, Zhang Rui,
	Philipp Zabel, Matthias Brugger, AngeloGioacchino Del Regno,
	Alexandre Mergnat, Nícolas F. R. A. Prado, Chen-Yu Tsai,
	Balsam CHIHI, open list:THERMAL, open list,
	moderated list:ARM/Mediatek SoC support,
	moderated list:ARM/Mediatek SoC support
  Cc: opensource.kernel

On 21/09/2023 11:10, Minjie Du wrote:
> debugfs_create_dir() function returns an error value embedded in
> the pointer (PTR_ERR). Evaluate the return value using IS_ERR
> rather than checking for NULL.
> 
> Signed-off-by: Minjie Du <duminjie@vivo.com>
> ---

Applied, thanks

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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2023-09-28 13:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2023-09-21  9:10 [PATCH v1] thermal/drivers/mediatek/lvts_thermal: fix error check in lvts_debugfs_init() Minjie Du
2023-09-25 13:45 ` Alexandre Mergnat
2023-09-26  4:00 ` Chen-Yu Tsai
2023-09-28 13:59 ` Daniel Lezcano

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