drivers/thermal/mediatek/lvts_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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
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 -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
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>
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
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