2018-07-14 16:34:28

by Colin King

[permalink] [raw]
Subject: [PATCH] vme: ca91cx42: remove redundant variable i

From: Colin Ian King <[email protected]>

Variable i is being assigned but is never used hence it is redundant
and can be removed.

Cleans up clang warning:
warning: variable 'i' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <[email protected]>
---
drivers/vme/bridges/vme_ca91cx42.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c
index 5dd284008630..53bdc256805f 100644
--- a/drivers/vme/bridges/vme_ca91cx42.c
+++ b/drivers/vme/bridges/vme_ca91cx42.c
@@ -970,7 +970,6 @@ static unsigned int ca91cx42_master_rmw(struct vme_master_resource *image,
{
u32 result;
uintptr_t pci_addr;
- int i;
struct ca91cx42_driver *bridge;
struct device *dev;

@@ -978,7 +977,6 @@ static unsigned int ca91cx42_master_rmw(struct vme_master_resource *image,
dev = image->parent->parent;

/* Find the PCI address that maps to the desired VME address */
- i = image->number;

/* Locking as we can only do one of these at a time */
mutex_lock(&bridge->vme_rmw);
--
2.17.1



2018-07-14 21:23:35

by Martyn Welch

[permalink] [raw]
Subject: Re: [PATCH] vme: ca91cx42: remove redundant variable i

On Sat, Jul 14, 2018 at 05:33:32PM +0100, Colin King wrote:
> From: Colin Ian King <[email protected]>
>
> Variable i is being assigned but is never used hence it is redundant
> and can be removed.
>
> Cleans up clang warning:
> warning: variable 'i' set but not used [-Wunused-but-set-variable]
>
> Signed-off-by: Colin Ian King <[email protected]>

Reviewed-by: Martyn Welch <[email protected]>

> ---
> drivers/vme/bridges/vme_ca91cx42.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c
> index 5dd284008630..53bdc256805f 100644
> --- a/drivers/vme/bridges/vme_ca91cx42.c
> +++ b/drivers/vme/bridges/vme_ca91cx42.c
> @@ -970,7 +970,6 @@ static unsigned int ca91cx42_master_rmw(struct vme_master_resource *image,
> {
> u32 result;
> uintptr_t pci_addr;
> - int i;
> struct ca91cx42_driver *bridge;
> struct device *dev;
>
> @@ -978,7 +977,6 @@ static unsigned int ca91cx42_master_rmw(struct vme_master_resource *image,
> dev = image->parent->parent;
>
> /* Find the PCI address that maps to the desired VME address */
> - i = image->number;
>
> /* Locking as we can only do one of these at a time */
> mutex_lock(&bridge->vme_rmw);
> --
> 2.17.1
>