On Wed, Mar 07, 2012 at 02:36:52AM -0800, Kukjin Kim wrote:
> WARNING: arch/arm/mach-s3c24xx/built-in.o(.data+0xf44): Section mismatch in
> reference
> from the variable s3c2416_irq_interface to the function
> .init.text:s3c2416_irq_add()
> The variable s3c2416_irq_interface references
> the function __init s3c2416_irq_add()
> If the reference is valid then annotate the
> variable with __init* or __refdata (see linux/init.h) or name the variable:
> *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
>
> WARNING: arch/arm/mach-s3c24xx/built-in.o(.data+0x1b80): Section mismatch in
> reference
> from the variable s3c2443_irq_interface to the function
> .init.text:s3c2443_irq_add()
> The variable s3c2443_irq_interface references
> the function __init s3c2443_irq_add()
> If the reference is valid then annotate the
> variable with __init* or __refdata (see linux/init.h) or name the variable:
> *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
> diff --git a/arch/arm/mach-s3c24xx/irq-s3c2416.c
> b/arch/arm/mach-s3c24xx/irq-s3c2416.c
> index b8a5836..59b7632 100644
> --- a/arch/arm/mach-s3c24xx/irq-s3c2416.c
> +++ b/arch/arm/mach-s3c24xx/irq-s3c2416.c
> @@ -310,7 +310,7 @@ static int __init s3c2416_irq_add(struct device *dev)
> return 0;
> }
>
> -static struct subsys_interface s3c2416_irq_interface = {
> +static struct subsys_interface s3c2416_irq_interface __initdata = {
> .name = "s3c2416_irq",
> .subsys = &s3c2416_subsys,
> .add_dev = s3c2416_irq_add,
> diff --git a/arch/arm/mach-s3c24xx/irq-s3c2443.c
> b/arch/arm/mach-s3c24xx/irq-s3c2443.c
> index 35e4ff2..439f186 100644
> --- a/arch/arm/mach-s3c24xx/irq-s3c2443.c
> +++ b/arch/arm/mach-s3c24xx/irq-s3c2443.c
> @@ -265,7 +265,7 @@ static int __init s3c2443_irq_add(struct device *dev)
> return 0;
> }
>
> -static struct subsys_interface s3c2443_irq_interface = {
> +static struct subsys_interface s3c2443_irq_interface __initdata = {
> .name = "s3c2443_irq",
> .subsys = &s3c2443_subsys,
> .add_dev = s3c2443_irq_add,
You register these structures with some other bit of code. That other
bit of code adds these structures to a list. You then mark them as
__initdata, which means they get freed and the memory reused. That
corrupts the list beneath the other code.
So, clearly, both of these are wrong.
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