x86: uv - prevent NULL dereference in uv_system_init()

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We may reach NULL dereference oops if kmalloc failed.
Prevent it with explicit BUG_ON.

[ Impact: more controlled assert in 'impossible' scenario ]

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20090501202511.GE4633@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Cyrill Gorcunov 2009-05-02 00:25:11 +04:00 • committed by Ingo Molnar

parent 1cbac972ba

commit 9a8709d441

1 changed files with 3 additions and 0 deletions

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arch/x86/kernel/apic/x2apic_uv_x.c

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