From: Jeff Garzik <jeff@garzik.org>
Date: Wed, 12 Mar 2008 01:25:42 +0000 (+0900)
Subject: SCSI ips: handle scsi_add_host() failure, and other err cleanups
X-Git-Tag: v2.6.24.4~57
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ad5232c1ccba61437676cdb88d030b1c369dec7;p=thirdparty%2Fkernel%2Fstable.git

SCSI ips: handle scsi_add_host() failure, and other err cleanups

commit 2551a13e61d3c3df6c2da6de5a3ece78e6d67111

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

FUJITA Tomonori notes:
  It didn't intend to fix a critical bug, however, it turned out that it
  does. Without this patch, the ips driver in 2.6.23 and 2.6.24 doesn't
  work at all. You can find the more details at the following thread:

  http://marc.info/?t=120293911900023&r=1&w=2

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 5c5a9b2628fc4..f8aa290771791 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -6842,13 +6842,10 @@ ips_register_scsi(int index)
 	if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
 		IPS_PRINTK(KERN_WARNING, ha->pcidev,
 			   "Unable to install interrupt handler\n");
-		scsi_host_put(sh);
-		return -1;
+		goto err_out_sh;
 	}
 
 	kfree(oldha);
-	ips_sh[index] = sh;
-	ips_ha[index] = ha;
 
 	/* Store away needed values for later use */
 	sh->io_port = ha->io_addr;
@@ -6867,10 +6864,21 @@ ips_register_scsi(int index)
 	sh->max_channel = ha->nbus - 1;
 	sh->can_queue = ha->max_cmds - 1;
 
-	scsi_add_host(sh, NULL);
+	if (scsi_add_host(sh, &ha->pcidev->dev))
+		goto err_out;
+
+	ips_sh[index] = sh;
+	ips_ha[index] = ha;
+
 	scsi_scan_host(sh);
 
 	return 0;
+
+err_out:
+	free_irq(ha->pcidev->irq, ha);
+err_out_sh:
+	scsi_host_put(sh);
+	return -1;
 }
 
 /*---------------------------------------------------------------------------*/