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authorAndrew Morton <akpm@linux-foundation.org>2010-01-08 14:42:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-01-11 09:34:04 -0800
commit129182e5626972ac0df85d43a36dd46ad61c64e1 (patch)
treec91d17c697aa29d284dbe065423e01ca7020db73 /init/Kconfig
parent8767ba2796a1c894e6d9524584a26a8224f0543d (diff)
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percpu: avoid calling __pcpu_ptr_to_addr(NULL)
__pcpu_ptr_to_addr() can be overridden by the architecture and might not behave well if passed a NULL pointer. So avoid calling it until we have verified that its arg is not NULL. Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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