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SubjectRe: [PATCH] PCI: hotplug: Remove surplus return from a void function
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On 8/26/19 2:51 AM, Krzysztof Wilczynski wrote:
> Remove unnecessary empty return statement at the end of a void
> function in the following:
>
> - drivers/pci/hotplug/cpci_hotplug_core.c: cleanup_slots()
> - drivers/pci/hotplug/cpqphp_core.c: pci_print_IRQ_route()
> - drivers/pci/hotplug/cpqphp_ctrl.c: cpqhp_pushbutton_thread()
> - drivers/pci/hotplug/cpqphp_ctrl.c: interrupt_event_handler()
> - drivers/pci/hotplug/cpqphp_nvram.h: compaq_nvram_init()
> - drivers/pci/hotplug/rpadlpar_core.c: rpadlpar_io_init()
> - drivers/pci/hotplug/rpaphp_core.c: cleanup_slots()
>
> Signed-off-by: Krzysztof Wilczynski <kw@linux.com>

For rpa*_core.c portions,

Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com>

> ---
> drivers/pci/hotplug/cpci_hotplug_core.c | 1 -
> drivers/pci/hotplug/cpqphp_core.c | 1 -
> drivers/pci/hotplug/cpqphp_ctrl.c | 4 ----
> drivers/pci/hotplug/cpqphp_nvram.h | 5 +----
> drivers/pci/hotplug/rpadlpar_core.c | 1 -
> drivers/pci/hotplug/rpaphp_core.c | 1 -
> 6 files changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
> index 603eadf3d965..d0559d2faf50 100644
> --- a/drivers/pci/hotplug/cpci_hotplug_core.c
> +++ b/drivers/pci/hotplug/cpci_hotplug_core.c
> @@ -563,7 +563,6 @@ cleanup_slots(void)
> }
> cleanup_null:
> up_write(&list_rwsem);
> - return;
> }
>
> int
> diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
> index 16bbb183695a..b8aacb41a83c 100644
> --- a/drivers/pci/hotplug/cpqphp_core.c
> +++ b/drivers/pci/hotplug/cpqphp_core.c
> @@ -173,7 +173,6 @@ static void pci_print_IRQ_route(void)
> dbg("%d %d %d %d\n", tbus, tdevice >> 3, tdevice & 0x7, tslot);
>
> }
> - return;
> }
>
>
> diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
> index b7f4e1f099d9..68de958a9be8 100644
> --- a/drivers/pci/hotplug/cpqphp_ctrl.c
> +++ b/drivers/pci/hotplug/cpqphp_ctrl.c
> @@ -1872,8 +1872,6 @@ static void interrupt_event_handler(struct controller *ctrl)
> }
> } /* End of FOR loop */
> }
> -
> - return;
> }
>
>
> @@ -1943,8 +1941,6 @@ void cpqhp_pushbutton_thread(struct timer_list *t)
>
> p_slot->state = STATIC_STATE;
> }
> -
> - return;
> }
>
>
> diff --git a/drivers/pci/hotplug/cpqphp_nvram.h b/drivers/pci/hotplug/cpqphp_nvram.h
> index 918ff8dbfe62..70e879b6a23f 100644
> --- a/drivers/pci/hotplug/cpqphp_nvram.h
> +++ b/drivers/pci/hotplug/cpqphp_nvram.h
> @@ -16,10 +16,7 @@
>
> #ifndef CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM
>
> -static inline void compaq_nvram_init(void __iomem *rom_start)
> -{
> - return;
> -}
> +static inline void compaq_nvram_init(void __iomem *rom_start) { }
>
> static inline int compaq_nvram_load(void __iomem *rom_start, struct controller *ctrl)
> {
> diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
> index 182f9e3443ee..977946e4e613 100644
> --- a/drivers/pci/hotplug/rpadlpar_core.c
> +++ b/drivers/pci/hotplug/rpadlpar_core.c
> @@ -473,7 +473,6 @@ int __init rpadlpar_io_init(void)
> void rpadlpar_io_exit(void)
> {
> dlpar_sysfs_exit();
> - return;
> }
>
> module_init(rpadlpar_io_init);
> diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
> index c3899ee1db99..18627bb21e9e 100644
> --- a/drivers/pci/hotplug/rpaphp_core.c
> +++ b/drivers/pci/hotplug/rpaphp_core.c
> @@ -408,7 +408,6 @@ static void __exit cleanup_slots(void)
> pci_hp_deregister(&slot->hotplug_slot);
> dealloc_slot_struct(slot);
> }
> - return;
> }
>
> static int __init rpaphp_init(void)
>

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