Messages in this thread Patch in this message | | | Date | Thu, 3 Mar 2005 12:03:18 +0900 | From | Tejun Heo <> | Subject | [PATCH ide-dev-2.6] ide: ide_dma_intr oops fix |
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Hello, Bartlomiej.
This patch fixes ide_dma_intr() oops which occurs for TASKFILE ioctl using DMA dataphses. This is against the latest ide-dev-2.6 tree + all your recent 9 patches.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Index: linux-taskfile-ng/drivers/ide/ide-dma.c =================================================================== --- linux-taskfile-ng.orig/drivers/ide/ide-dma.c 2005-03-03 11:59:16.485582413 +0900 +++ linux-taskfile-ng/drivers/ide/ide-dma.c 2005-03-03 12:00:07.753376048 +0900 @@ -175,10 +175,14 @@ ide_startstop_t ide_dma_intr (ide_drive_ if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) { if (!dma_stat) { struct request *rq = HWGROUP(drive)->rq; - ide_driver_t *drv; - drv = *(ide_driver_t **)rq->rq_disk->private_data;; - drv->end_request(drive, 1, rq->nr_sectors); + if (rq->rq_disk) { + ide_driver_t *drv; + + drv = *(ide_driver_t **)rq->rq_disk->private_data;; + drv->end_request(drive, 1, rq->nr_sectors); + } else + ide_end_request(drive, 1, rq->nr_sectors); return ide_stopped; } printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n", - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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