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vgaarb: if arb init fails, make sure locking doesn't occur. 

pointed out by Martin Jansa on irc.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-09-02 19:07:40 +10:00
parent 0e46066efe
commit 8aeadbff08
1 changed files with 4 additions and 0 deletions
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4
hw/xfree86/common/xf86VGAarbiter.c
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@ -93,6 +93,8 @@ xf86VGAarbiterFini(void)
void
xf86VGAarbiterLock(ScrnInfoPtr pScrn)
{
if (vga_no_arb)
return;
pci_device_vgaarb_set_target(pScrn->vgaDev);
pci_device_vgaarb_lock();
}
@ -100,6 +102,8 @@ xf86VGAarbiterLock(ScrnInfoPtr pScrn)
void
xf86VGAarbiterUnlock(ScrnInfoPtr pScrn)
{
if (vga_no_arb)
return;
pci_device_vgaarb_unlock();
}