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| author | Jens Freimann | 2015-03-16 12:17:13 +0100 |
|---|---|---|
| committer | Christian Borntraeger | 2015-03-31 21:05:51 +0200 |
| commit | 94aa033efcac47b09db22cb561e135baf37b7887 (patch) | |
| tree | 2370d7dbd93fd307db16399de6229dbb0aa46d04 /arch/s390/kvm/kvm-s390.c | |
| parent | KVM: s390: enable more features that need no hypervisor changes (diff) | |
| download | kernel-qcow2-linux-94aa033efcac47b09db22cb561e135baf37b7887.tar.gz kernel-qcow2-linux-94aa033efcac47b09db22cb561e135baf37b7887.tar.xz kernel-qcow2-linux-94aa033efcac47b09db22cb561e135baf37b7887.zip | |
KVM: s390: fix get_all_floating_irqs
This fixes a bug introduced with commit c05c4186bbe4 ("KVM: s390:
add floating irq controller").
get_all_floating_irqs() does copy_to_user() while holding
a spin lock. Let's fix this by filling a temporary buffer
first and copy it to userspace after giving up the lock.
Cc: <stable@vger.kernel.org> # 3.18+: 69a8d4562638 KVM: s390: no need to hold...
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
0 files changed, 0 insertions, 0 deletions