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| author | Prarit Bhargava <prarit@redhat.com> | 2010-04-27 19:24:42 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-05-01 01:31:38 +0400 |
| commit | bbd391a15d82e14efe9d69ba64cadb855b061dba (patch) | |
| tree | fa390e76f76519efd389538f9a12027aaefd7f4d /arch/x86/lib/usercopy_64.c | |
| parent | e67a807f3d9a82fa91817871f1c0e2e04da993b8 (diff) | |
| download | linux-bbd391a15d82e14efe9d69ba64cadb855b061dba.tar.xz | |
x86: Fix NULL pointer access in irq_force_complete_move() for Xen guests
Upstream PV guests fail to boot because of a NULL pointer in
irq_force_complete_move(). It is possible that xen guests have
irq_desc->chip_data = NULL.
Test for NULL chip_data pointer before attempting to complete an irq move.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
LKML-Reference: <20100427152434.16193.49104.sendpatchset@prarit.bos.redhat.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@kernel.org> [2.6.33]
Diffstat (limited to 'arch/x86/lib/usercopy_64.c')
0 files changed, 0 insertions, 0 deletions