2008-03-30 23:23:38

by Adrian Bunk

[permalink] [raw]
Subject: [2.6 patch] i2c/busses/scx200_acb.c: don't use 0 as NULL pointer

Don't use 0 as NULL pointer.

Spotted by sparse.

Signed-off-by: Adrian Bunk <[email protected]>

---
4a2495930cc9bc83f4302de3b73ebf3e8849dc1a diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index f5e7a70..61abe0f 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -527,7 +527,7 @@ static int __init scx200_create_isa(const char *text, unsigned long base,
if (iface == NULL)
return -ENOMEM;

- if (request_region(base, 8, iface->adapter.name) == 0) {
+ if (!request_region(base, 8, iface->adapter.name)) {
printk(KERN_ERR NAME ": can't allocate io 0x%lx-0x%lx\n",
base, base + 8 - 1);
rc = -EBUSY;


2008-03-31 08:52:33

by Jean Delvare

[permalink] [raw]
Subject: Re: [2.6 patch] i2c/busses/scx200_acb.c: don't use 0 as NULL pointer

On Mon, 31 Mar 2008 02:22:28 +0300, Adrian Bunk wrote:
> Don't use 0 as NULL pointer.
>
> Spotted by sparse.
>
> Signed-off-by: Adrian Bunk <[email protected]>
>
> ---
> 4a2495930cc9bc83f4302de3b73ebf3e8849dc1a diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
> index f5e7a70..61abe0f 100644
> --- a/drivers/i2c/busses/scx200_acb.c
> +++ b/drivers/i2c/busses/scx200_acb.c
> @@ -527,7 +527,7 @@ static int __init scx200_create_isa(const char *text, unsigned long base,
> if (iface == NULL)
> return -ENOMEM;
>
> - if (request_region(base, 8, iface->adapter.name) == 0) {
> + if (!request_region(base, 8, iface->adapter.name)) {
> printk(KERN_ERR NAME ": can't allocate io 0x%lx-0x%lx\n",
> base, base + 8 - 1);
> rc = -EBUSY;
>

Applied, thanks.

--
Jean Delvare