diff options
Diffstat (limited to 'drivers/scsi/mac53c94.c')
| -rw-r--r-- | drivers/scsi/mac53c94.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 932dcf0..311a412 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -432,11 +432,12 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat struct Scsi_Host *host; void *dma_cmd_space; unsigned char *clkprop; - int proplen; + int proplen, rc = -ENODEV; if (macio_resource_count(mdev) != 2 || macio_irq_count(mdev) != 2) { - printk(KERN_ERR "mac53c94: expected 2 addrs and intrs (got %d/%d)\n", - node->n_addrs, node->n_intrs); + printk(KERN_ERR "mac53c94: expected 2 addrs and intrs" + " (got %d/%d)\n", + macio_resource_count(mdev), macio_irq_count(mdev)); return -ENODEV; } @@ -448,6 +449,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat host = scsi_host_alloc(&mac53c94_template, sizeof(struct fsc_state)); if (host == NULL) { printk(KERN_ERR "mac53c94: couldn't register host"); + rc = -ENOMEM; goto out_release; } @@ -486,6 +488,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat if (dma_cmd_space == 0) { printk(KERN_ERR "mac53c94: couldn't allocate dma " "command space for %s\n", node->full_name); + rc = -ENOMEM; goto out_free; } state->dma_cmds = (struct dbdma_cmd *)DBDMA_ALIGN(dma_cmd_space); @@ -495,18 +498,21 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat mac53c94_init(state); - if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94", state)) { + if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94",state)) { printk(KERN_ERR "mac53C94: can't get irq %d for %s\n", state->intr, node->full_name); goto out_free_dma; } - /* XXX FIXME: handle failure */ - scsi_add_host(host, &mdev->ofdev.dev); - scsi_scan_host(host); + rc = scsi_add_host(host, &mdev->ofdev.dev); + if (rc != 0) + goto out_release_irq; + scsi_scan_host(host); return 0; + out_release_irq: + free_irq(state->intr, state); out_free_dma: kfree(state->dma_cmd_space); out_free: @@ -518,7 +524,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat out_release: macio_release_resources(mdev); - return -ENODEV; + return rc; } static int mac53c94_remove(struct macio_dev *mdev) |