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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2018-11-27 21:41:24 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-12-07 22:16:00 -0500 |
| commit | 492ca4da6f0798cf20ecaf330abc8d79e540a43a (patch) | |
| tree | ff5e588e22a11098e3d58f9722fe02165c20fc31 /drivers/scsi/aha1542.c | |
| parent | 7171455354eb2ed494ddb6fe50988e98bb5cfa96 (diff) | |
| download | linux-492ca4da6f0798cf20ecaf330abc8d79e540a43a.tar.gz linux-492ca4da6f0798cf20ecaf330abc8d79e540a43a.tar.bz2 linux-492ca4da6f0798cf20ecaf330abc8d79e540a43a.zip | |
scsi: aha1542: Fix zeroday __udivdi3 warning
dma_addr_t can be u64 on pae systems but isa_virt_to_bus only ever
returns unsigned long (because an ISA physical address can only be 24
bits). Cast to unsigned long to avoid division.
Fixes: 1794ef2b150d ("scsi: aha1542: convert to DMA mapping API")
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aha1542.c')
| -rw-r--r-- | drivers/scsi/aha1542.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index a9c29757172f..afb693d7b44f 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -325,7 +325,7 @@ static irqreturn_t aha1542_interrupt(int irq, void *dev_id) return IRQ_HANDLED; }; - mbo = (scsi2int(mb[mbi].ccbptr) - aha1542->ccb_handle) / sizeof(struct ccb); + mbo = (scsi2int(mb[mbi].ccbptr) - (unsigned long)aha1542->ccb_handle) / sizeof(struct ccb); mbistatus = mb[mbi].status; mb[mbi].status = 0; aha1542->aha1542_last_mbi_used = mbi; |