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Dean Nelson b6f3b7803a genirq: NULL struct irq_desc's member 'name' in dynamic_irq_cleanup()

If the member 'name' of the irq_desc structure happens to point to a
character string that is resident within a kernel module, problems ensue
if that module is rmmod'd (at which time dynamic_irq_cleanup() is called)
and then later show_interrupts() is called by someone.

It is also not a good thing if the character string resided in kmalloc'd
space that has been kfree'd (after having called dynamic_irq_cleanup()).
dynamic_irq_cleanup() fails to NULL the 'name' member and
show_interrupts() references it on a few architectures (like h8300, sh and
x86).

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2008-10-21 15:59:21 +02:00

autoprobe.c

genirq: fix name space collision of nr_irqs in autoprobe.c

2008-10-16 16:53:30 +02:00

chip.c

genirq: NULL struct irq_desc's member 'name' in dynamic_irq_cleanup()

2008-10-21 15:59:21 +02:00

devres.c

kernel: explicitly include required header files under kernel/

2008-04-29 08:06:04 -07:00

handle.c

genirq: use iterators for irq_desc loops