[Xen-changelog] [xen master] IOMMU: release lock on new exit path

[patchbot@xxxxxxx]

commit 712db0f3013425aeb4e29fb4f03315c466b696c1
Author:     Jan Beulich <JBeulich@xxxxxxxx>
AuthorDate: Mon Nov 7 08:29:15 2016 -0700
Commit:     Wei Liu <wei.liu2@xxxxxxxxxx>
CommitDate: Tue Nov 8 01:41:21 2016 +0000

    IOMMU: release lock on new exit path
    
    This was overlooked in 7b2842a414 ("IOMMU: replace ASSERT()s checking
    for NULL").
    
    Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/drivers/passthrough/io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/drivers/passthrough/io.c b/xen/drivers/passthrough/io.c
index 574d22a..080183e 100644
--- a/xen/drivers/passthrough/io.c
+++ b/xen/drivers/passthrough/io.c
@@ -168,6 +168,7 @@ static void pt_irq_time_out(void *data)
     if ( unlikely(!dpci) )
     {
         ASSERT_UNREACHABLE();
+        spin_unlock(&irq_map->dom->event_lock);
         return;
     }
     list_for_each_entry ( digl, &irq_map->digl_list, list )
--
generated by git-patchbot for /home/xen/git/xen.git#master

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