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path: root/drivers/scsi/mac53c94.c
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Diffstat (limited to 'drivers/scsi/mac53c94.c')
-rw-r--r--drivers/scsi/mac53c94.c22
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)