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cciss: check for msi in interrupt_not_for_us 

Check to see if h->msi[x]_vector is set.  We need this for a following
patch.  Without this check we process one interrupt then stop because in
msi[x] mode the interrupt pending bit is not set.  Not sure why we didn't
encounter this before.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Cc: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Mike Miller 2010-06-02 12:58:02 -07:00 committed by Jens Axboe
parent 0c2b39087c
commit 2cf3af1c9e
1 changed files with 3 additions and 2 deletions
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5
drivers/block/cciss.c
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@ -3333,8 +3333,9 @@ static inline int interrupt_pending(ctlr_info_t *h)
static inline long interrupt_not_for_us(ctlr_info_t *h)
{
return (((h->access.intr_pending(h) == 0) ||
(h->interrupts_enabled == 0)));
return !(h->msi_vector || h->msix_vector) &&
((h->access.intr_pending(h) == 0) ||
(h->interrupts_enabled == 0));
}
static inline int bad_tag(ctlr_info_t *h, u32 tag_index,