| Message ID | 20240812-cleanup-h-of-node-put-memory-v1-5-5065a8f361d2@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | memory: simplify with scoped/cleanup.h for device nodes | expand |
On Mon, 12 Aug 2024 15:33:59 +0200 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> wrote: > Use scoped for_each_child_of_node_scoped() when iterating over device > nodes to make code a bit simpler. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> The final block is already a weird code structure, but your changes look fine to me. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > drivers/memory/tegra/mc.c | 11 +++-------- > 1 file changed, 3 insertions(+), 8 deletions(-) > > diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c > index 224b488794e5..bd5b58f1fd42 100644 > --- a/drivers/memory/tegra/mc.c > +++ b/drivers/memory/tegra/mc.c > @@ -450,7 +450,6 @@ static int load_one_timing(struct tegra_mc *mc, > > static int load_timings(struct tegra_mc *mc, struct device_node *node) > { > - struct device_node *child; > struct tegra_mc_timing *timing; > int child_count = of_get_child_count(node); > int i = 0, err; > @@ -462,14 +461,12 @@ static int load_timings(struct tegra_mc *mc, struct device_node *node) > > mc->num_timings = child_count; > > - for_each_child_of_node(node, child) { > + for_each_child_of_node_scoped(node, child) { > timing = &mc->timings[i++]; > > err = load_one_timing(mc, timing, child); > - if (err) { > - of_node_put(child); > + if (err) > return err; > - } > } > > return 0; > @@ -477,7 +474,6 @@ static int load_timings(struct tegra_mc *mc, struct device_node *node) > > static int tegra_mc_setup_timings(struct tegra_mc *mc) > { > - struct device_node *node; > u32 ram_code, node_ram_code; > int err; > > @@ -485,14 +481,13 @@ static int tegra_mc_setup_timings(struct tegra_mc *mc) > > mc->num_timings = 0; > > - for_each_child_of_node(mc->dev->of_node, node) { > + for_each_child_of_node_scoped(mc->dev->of_node, node) { > err = of_property_read_u32(node, "nvidia,ram-code", > &node_ram_code); > if (err || (node_ram_code != ram_code)) > continue; > > err = load_timings(mc, node); > - of_node_put(node); > if (err) > return err; > break; >
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index 224b488794e5..bd5b58f1fd42 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -450,7 +450,6 @@ static int load_one_timing(struct tegra_mc *mc, static int load_timings(struct tegra_mc *mc, struct device_node *node) { - struct device_node *child; struct tegra_mc_timing *timing; int child_count = of_get_child_count(node); int i = 0, err; @@ -462,14 +461,12 @@ static int load_timings(struct tegra_mc *mc, struct device_node *node) mc->num_timings = child_count; - for_each_child_of_node(node, child) { + for_each_child_of_node_scoped(node, child) { timing = &mc->timings[i++]; err = load_one_timing(mc, timing, child); - if (err) { - of_node_put(child); + if (err) return err; - } } return 0; @@ -477,7 +474,6 @@ static int load_timings(struct tegra_mc *mc, struct device_node *node) static int tegra_mc_setup_timings(struct tegra_mc *mc) { - struct device_node *node; u32 ram_code, node_ram_code; int err; @@ -485,14 +481,13 @@ static int tegra_mc_setup_timings(struct tegra_mc *mc) mc->num_timings = 0; - for_each_child_of_node(mc->dev->of_node, node) { + for_each_child_of_node_scoped(mc->dev->of_node, node) { err = of_property_read_u32(node, "nvidia,ram-code", &node_ram_code); if (err || (node_ram_code != ram_code)) continue; err = load_timings(mc, node); - of_node_put(node); if (err) return err; break;
Use scoped for_each_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- drivers/memory/tegra/mc.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-)