diff mbox series

[v2,7/9] powerpc/eeh: Remove always-true tests in eeh_reset_device()

Message ID 5a636a21f3352efa7a41bf4032f3a57973c4c18b.1521427331.git.sam.bobroff@au1.ibm.com (mailing list archive)
State Accepted
Commit d3136d771292b87cfc217a528aa50acec0b2b84f
Headers show
Series EEH refactoring 1 | expand

Commit Message

Sam Bobroff March 19, 2018, 2:49 a.m. UTC
eeh_reset_device() tests the value of 'bus' more than once but the
only caller, eeh_handle_normal_device() does this test itself and will
never pass NULL.

So, remove the dead tests.

This should not change behaviour.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
---
 arch/powerpc/kernel/eeh_driver.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Alexey Kardashevskiy March 21, 2018, 5:18 a.m. UTC | #1
On 19/3/18 1:49 pm, Sam Bobroff wrote:
> eeh_reset_device() tests the value of 'bus' more than once but the
> only caller, eeh_handle_normal_device() does this test itself and will
> never pass NULL.
> 
> So, remove the dead tests.
> 
> This should not change behaviour.
> 
> Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>


Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>


> ---
>  arch/powerpc/kernel/eeh_driver.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
> index 07437d765434..93fc22e791fa 100644
> --- a/arch/powerpc/kernel/eeh_driver.c
> +++ b/arch/powerpc/kernel/eeh_driver.c
> @@ -655,7 +655,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
>  			pci_hp_remove_devices(bus);
>  			pci_unlock_rescan_remove();
>  		}
> -	} else if (bus) {
> +	} else {
>  		eeh_pe_dev_traverse(pe, eeh_rmv_device, rmv_data);
>  	}
>  
> @@ -708,7 +708,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
>  			eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
>  			pci_hp_add_devices(bus);
>  		}
> -	} else if (bus && rmv_data->removed) {
> +	} else if (rmv_data->removed) {
>  		pr_info("EEH: Sleep 5s ahead of partial hotplug\n");
>  		ssleep(5);
>  
>
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 07437d765434..93fc22e791fa 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -655,7 +655,7 @@  static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
 			pci_hp_remove_devices(bus);
 			pci_unlock_rescan_remove();
 		}
-	} else if (bus) {
+	} else {
 		eeh_pe_dev_traverse(pe, eeh_rmv_device, rmv_data);
 	}
 
@@ -708,7 +708,7 @@  static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
 			eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
 			pci_hp_add_devices(bus);
 		}
-	} else if (bus && rmv_data->removed) {
+	} else if (rmv_data->removed) {
 		pr_info("EEH: Sleep 5s ahead of partial hotplug\n");
 		ssleep(5);