[Xen-devel] [PATCH 02/14] xen: events: fix xen_map_pirq_gsi error return

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Fix initial value of irq so that first goto out (if pirq or gsi
arguments are too large) actually returns an error.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 drivers/xen/events.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 684b095..2ce95a6 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -596,7 +596,7 @@ int xen_allocate_pirq(unsigned gsi, int shareable, char 
*name)
  */
 int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
 {
-       int irq = 0;
+       int irq = -1;
        struct physdev_irq irq_op;
 
        spin_lock(&irq_mapping_update_lock);
-- 
1.5.6.5


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