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authorIngo Molnar <mingo@elte.hu>2007-02-12 11:54:42 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 20:48:40 +0300
commit1e8ba6fba5050ec11bba90c8622aa2ed95ff711f (patch)
tree4dfc7c1c8a6119648978f25c1065b344123638cb /include/linux/cpu.h
parent8cd133073f9b5cd335c0b2e4740aceb025d50ca9 (diff)
downloadlinux-1e8ba6fba5050ec11bba90c8622aa2ed95ff711f.tar.xz
[PATCH] kvm: fix vcpu freeing bug
vcpu_load() can return NULL and it sometimes does in failure paths (for example when the userspace ABI version is too old) - causing a preemption count underflow in the ->vcpu_free() later on. So check for NULL. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cpu.h')
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