diff options
| author | Jens Freimann <jfrei@linux.vnet.ibm.com> | 2015-03-16 07:17:13 -0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-03-31 15:05:51 -0400 |
| commit | 94aa033efcac47b09db22cb561e135baf37b7887 (patch) | |
| tree | 2370d7dbd93fd307db16399de6229dbb0aa46d04 /arch/s390/include | |
| parent | a3ed8dae6e3db479ca275883ba7fe994170b0ae6 (diff) | |
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/include')
0 files changed, 0 insertions, 0 deletions