| Message ID | 20240814-b4-cleanup-h-of-node-put-thermal-v1-7-7a1381e1627e@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | thermal: scope/cleanup.h improvements | expand |
On Wed, Aug 14, 2024 at 10:17:53PM +0200, Krzysztof Kozlowski wrote: > Obtain the device node reference with scoped/cleanup.h to reduce error > handling and make the code a bit simpler. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> > --- > drivers/thermal/sun8i_thermal.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c > index 3203d8bd13a8..22674790629a 100644 > --- a/drivers/thermal/sun8i_thermal.c > +++ b/drivers/thermal/sun8i_thermal.c > @@ -9,6 +9,7 @@ > */ > > #include <linux/bitmap.h> > +#include <linux/cleanup.h> > #include <linux/clk.h> > #include <linux/device.h> > #include <linux/interrupt.h> > @@ -348,19 +349,18 @@ static void sun8i_ths_reset_control_assert(void *data) > > static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node) > { > - struct device_node *sram_node; > struct platform_device *sram_pdev; > struct regmap *regmap = NULL; > > - sram_node = of_parse_phandle(node, "allwinner,sram", 0); > + struct device_node *sram_node __free(device_node) = > + of_parse_phandle(node, "allwinner,sram", 0); > if (!sram_node) > return ERR_PTR(-ENODEV); > > sram_pdev = of_find_device_by_node(sram_node); > if (!sram_pdev) { > /* platform device might not be probed yet */ > - regmap = ERR_PTR(-EPROBE_DEFER); > - goto out_put_node; > + return ERR_PTR(-EPROBE_DEFER); > } > > /* If no regmap is found then the other device driver is at fault */ > @@ -369,8 +369,7 @@ static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node) > regmap = ERR_PTR(-EINVAL); > > platform_device_put(sram_pdev); > -out_put_node: > - of_node_put(sram_node); > + > return regmap; > } > > > -- > 2.43.0 >
diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c index 3203d8bd13a8..22674790629a 100644 --- a/drivers/thermal/sun8i_thermal.c +++ b/drivers/thermal/sun8i_thermal.c @@ -9,6 +9,7 @@ */ #include <linux/bitmap.h> +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/interrupt.h> @@ -348,19 +349,18 @@ static void sun8i_ths_reset_control_assert(void *data) static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node) { - struct device_node *sram_node; struct platform_device *sram_pdev; struct regmap *regmap = NULL; - sram_node = of_parse_phandle(node, "allwinner,sram", 0); + struct device_node *sram_node __free(device_node) = + of_parse_phandle(node, "allwinner,sram", 0); if (!sram_node) return ERR_PTR(-ENODEV); sram_pdev = of_find_device_by_node(sram_node); if (!sram_pdev) { /* platform device might not be probed yet */ - regmap = ERR_PTR(-EPROBE_DEFER); - goto out_put_node; + return ERR_PTR(-EPROBE_DEFER); } /* If no regmap is found then the other device driver is at fault */ @@ -369,8 +369,7 @@ static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node) regmap = ERR_PTR(-EINVAL); platform_device_put(sram_pdev); -out_put_node: - of_node_put(sram_node); + return regmap; }
Obtain the device node reference with scoped/cleanup.h to reduce error handling and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- drivers/thermal/sun8i_thermal.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-)