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SubjectRe: [patch][trivial] fix drivers/base/cpu.c
William Lee Irwin III wrote:
> In message <3E2F2EC1.4090606@us.ibm.com> Matt Dobson (?) wrote:
>
>>>Both drivers/base/node.c & memblk.c check the return values of the
>>>devclass_register & driver_register calls. cpu.c doesn't. This little
>>>patch remedies that omission.
>>
>
> On Wed, Jan 29, 2003 at 03:51:04PM +1100, Rusty Russell wrote:
>
>>You'd want to to undo the devclass_register() on failure, too, I
>>imagine.
>
>
> Ow, I forgot about that. Someone grind this out quick and take care of
> the other oopsing thingies. You know what I'm preoccupied with.
>
> -- wli

Good point Rusty, cleanup attatched...

Cheers!

-Matt
diff -Nur --exclude-from=/usr/src/.dontdiff linux-2.5.59-vanilla/drivers/base/cpu.c linux-2.5.59-driver_base_cleanup/drivers/base/cpu.c
--- linux-2.5.59-vanilla/drivers/base/cpu.c Thu Jan 16 18:21:51 2003
+++ linux-2.5.59-driver_base_cleanup/drivers/base/cpu.c Wed Jan 29 10:16:26 2003
@@ -48,7 +48,10 @@

static int __init register_cpu_type(void)
{
- devclass_register(&cpu_devclass);
- return driver_register(&cpu_driver);
+ int error;
+ if (!(error = devclass_register(&cpu_devclass)))
+ if (error = driver_register(&cpu_driver))
+ devclass_unregister(&cpu_devclass);
+ return error;
}
postcore_initcall(register_cpu_type);
diff -Nur --exclude-from=/usr/src/.dontdiff linux-2.5.59-vanilla/drivers/base/memblk.c linux-2.5.59-driver_base_cleanup/drivers/base/memblk.c
--- linux-2.5.59-vanilla/drivers/base/memblk.c Thu Jan 16 18:22:57 2003
+++ linux-2.5.59-driver_base_cleanup/drivers/base/memblk.c Wed Jan 29 10:16:08 2003
@@ -49,7 +49,10 @@

static int __init register_memblk_type(void)
{
- int error = devclass_register(&memblk_devclass);
- return error ? error : driver_register(&memblk_driver);
+ int error;
+ if (!(error = devclass_register(&memblk_devclass)))
+ if (error = driver_register(&memblk_driver))
+ devclass_unregister(&memblk_devclass);
+ return error;
}
postcore_initcall(register_memblk_type);
diff -Nur --exclude-from=/usr/src/.dontdiff linux-2.5.59-vanilla/drivers/base/node.c linux-2.5.59-driver_base_cleanup/drivers/base/node.c
--- linux-2.5.59-vanilla/drivers/base/node.c Thu Jan 16 18:21:40 2003
+++ linux-2.5.59-driver_base_cleanup/drivers/base/node.c Wed Jan 29 10:15:12 2003
@@ -91,7 +91,10 @@

static int __init register_node_type(void)
{
- int error = devclass_register(&node_devclass);
- return error ? error : driver_register(&node_driver);
+ int error;
+ if (!(error = devclass_register(&node_devclass)))
+ if (error = driver_register(&node_driver))
+ devclass_unregister(&node_devclass);
+ return error;
}
postcore_initcall(register_node_type);
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