Commit 0cdc82ee authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Linus Torvalds

[PATCH] mesh scsi: fix error handling

The PowerMac mesh SCSI driver had some missing error handling which would
trigger warnings due to lack of handling of return value from
scsi_add_host.  This fixes it.
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 98b4f592
......@@ -1959,22 +1959,35 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match)
/* Set it up */
mesh_init(ms);
/* XXX FIXME: error should be fatal */
if (request_irq(ms->meshintr, do_mesh_interrupt, 0, "MESH", ms))
/* Request interrupt */
if (request_irq(ms->meshintr, do_mesh_interrupt, 0, "MESH", ms)) {
printk(KERN_ERR "MESH: can't get irq %d\n", ms->meshintr);
goto out_shutdown;
}
/* XXX FIXME: handle failure */
scsi_add_host(mesh_host, &mdev->ofdev.dev);
/* Add scsi host & scan */
if (scsi_add_host(mesh_host, &mdev->ofdev.dev))
goto out_release_irq;
scsi_scan_host(mesh_host);
return 0;
out_unmap:
out_release_irq:
free_irq(ms->meshintr, ms);
out_shutdown:
/* shutdown & reset bus in case of error or macos can be confused
* at reboot if the bus was set to synchronous mode already
*/
mesh_shutdown(mdev);
set_mesh_power(ms, 0);
pci_free_consistent(macio_get_pci_dev(mdev), ms->dma_cmd_size,
ms->dma_cmd_space, ms->dma_cmd_bus);
out_unmap:
iounmap(ms->dma);
iounmap(ms->mesh);
out_free:
out_free:
scsi_host_put(mesh_host);
out_release:
out_release:
macio_release_resources(mdev);
return -ENODEV;
......@@ -2001,7 +2014,7 @@ static int mesh_remove(struct macio_dev *mdev)
/* Free DMA commands memory */
pci_free_consistent(macio_get_pci_dev(mdev), ms->dma_cmd_size,
ms->dma_cmd_space, ms->dma_cmd_bus);
ms->dma_cmd_space, ms->dma_cmd_bus);
/* Release memory resources */
macio_release_resources(mdev);
......
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