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    Subject[PATCH 02/14] xen: events: fix xen_map_pirq_gsi error return
    Date
    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@citrix.com>
    ---
    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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