2007-10-23 22:38:32

by Jeff Garzik

Subject: [PATCH 5/12] ISDN/sc: fix longstanding warning

drivers/isdn/sc/shmem.c: In function ‘memcpy_toshmem’:
drivers/isdn/sc/shmem.c:54: warning: passing argument 1 of ‘memcpy_toio’ makes pointer from integer without a cast

Also, remove some unneeded braces, and add some useful whitespace.

Signed-off-by: Jeff Garzik <[email protected]>
---

diff --git a/drivers/isdn/sc/shmem.c b/drivers/isdn/sc/shmem.c
index 034d41a..e0331e0 100644
--- a/drivers/isdn/sc/shmem.c
+++ b/drivers/isdn/sc/shmem.c
@@ -28,15 +28,15 @@ void memcpy_toshmem(int card, void *dest, const void *src, size_t n)
{
unsigned long flags;
unsigned char ch;
+ unsigned long dest_rem = ((unsigned long) dest) % 0x4000;

- if(!IS_VALID_CARD(card)) {
+ if (!IS_VALID_CARD(card)) {
pr_debug("Invalid param: %d is not a valid card id\n", card);
return;
}

- if(n > SRAM_PAGESIZE) {
+ if (n > SRAM_PAGESIZE)
return;
- }

/*
* determine the page to load from the address
@@ -50,8 +50,7 @@ void memcpy_toshmem(int card, void *dest, const void *src, size_t n)

outb(((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE) >> 14) | 0x80,
sc_adapter[card]->ioport[sc_adapter[card]->shmem_pgport]);
- memcpy_toio(sc_adapter[card]->rambase +
- ((unsigned long) dest % 0x4000), src, n);
+ memcpy_toio(sc_adapter[card]->rambase + dest_rem, src, n);
spin_unlock_irqrestore(&sc_adapter[card]->lock, flags);
pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename,
((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80);

2007-10-24 07:24:51

by Karsten Keil

Subject: Re: [PATCH 5/12] ISDN/sc: fix longstanding warning

On Tue, Oct 23, 2007 at 06:36:39PM -0400, Jeff Garzik wrote:
> drivers/isdn/sc/shmem.c: In function ‘memcpy_toshmem’:
> drivers/isdn/sc/shmem.c:54: warning: passing argument 1 of ‘memcpy_toio’ makes pointer from integer without a cast
>
> Also, remove some unneeded braces, and add some useful whitespace.
>
> Signed-off-by: Jeff Garzik <[email protected]>

Acked.
> ---
>
> diff --git a/drivers/isdn/sc/shmem.c b/drivers/isdn/sc/shmem.c
> index 034d41a..e0331e0 100644
> --- a/drivers/isdn/sc/shmem.c
> +++ b/drivers/isdn/sc/shmem.c
> @@ -28,15 +28,15 @@ void memcpy_toshmem(int card, void *dest, const void *src, size_t n)
> {
> unsigned long flags;
> unsigned char ch;
> + unsigned long dest_rem = ((unsigned long) dest) % 0x4000;
>
> - if(!IS_VALID_CARD(card)) {
> + if (!IS_VALID_CARD(card)) {
> pr_debug("Invalid param: %d is not a valid card id\n", card);
> return;
> }
>
> - if(n > SRAM_PAGESIZE) {
> + if (n > SRAM_PAGESIZE)
> return;
> - }
>
> /*
> * determine the page to load from the address
> @@ -50,8 +50,7 @@ void memcpy_toshmem(int card, void *dest, const void *src, size_t n)
>
> outb(((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE) >> 14) | 0x80,
> sc_adapter[card]->ioport[sc_adapter[card]->shmem_pgport]);
> - memcpy_toio(sc_adapter[card]->rambase +
> - ((unsigned long) dest % 0x4000), src, n);
> + memcpy_toio(sc_adapter[card]->rambase + dest_rem, src, n);
> spin_unlock_irqrestore(&sc_adapter[card]->lock, flags);
> pr_debug("%s: set page to %#x\n",sc_adapter[card]->devicename,
> ((sc_adapter[card]->shmem_magic + ch * SRAM_PAGESIZE)>>14)|0x80);
> -
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--
Karsten Keil
SuSE Labs
ISDN and VOIP development
SUSE LINUX Products GmbH, Maxfeldstr.5 90409 Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)