On 06/24/2020 07:43 PM, Markus Elfring wrote:
There exists potential resource leaks in the error path, fix them.
I suggest to improve this change description.
How do you think about another wording variant?
Specific system resources were not released in a few error cases.
Thus add jump targets for the completion of the desired exception handling.
OK, thank you, it looks good to me.
Maybe I can use this description for other patches of this series.
…
+++ b/drivers/irqchip/irq-csky-mpintc.c
@@ -247,8 +247,10 @@ csky_mpintc_init(struct device_node *node, struct device_node *parent)
…
INTCG_base = ioremap(mfcr("cr<31, 14>"),
INTCL_SIZE*nr_cpu_ids + INTCG_SIZE);
See also:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst?id=3e08a95294a4fb3702bb3d35ed08028433c37fe6#n257
…
+ if (INTCG_base == NULL) {
Would you like to use the following code variant?
See also:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/checkpatch.pl?id=3e08a95294a4fb3702bb3d35ed08028433c37fe6#n5756
+ if (!INTCG_base) {
…
@@ -270,12 +274,22 @@ csky_mpintc_init(struct device_node *node, struct device_node *parent)
#ifdef CONFIG_SMP
ipi_irq = irq_create_mapping(root_domain, IPI_IRQ);
…
+ if (!ipi_irq) {
+ ret = -EIO;
+ goto err_domain_remove;
+ }
…
Can the function call “irq_domain_remove(root_domain)” become relevant
only if the preprocessor symbol “CONFIG_SMP” was defined?
OK, I will do it in the next version.
Regards,
Markus