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Commit 2cf3af1c authored by Mike Miller's avatar Mike Miller Committed by Jens Axboe
Browse files

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: default avatarMike Miller <mike.miller@hp.com>
Cc: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJens Axboe <jaxboe@fusionio.com>
parent 0c2b3908

drivers/block/cciss.c

+3 −2
Original line number Diff line number Diff line
@@ -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,