A number of the calls in the initialization routines fail to check the returned
value for
errors. This patch adds the necessary checks and logs any errors found when
appropriate.
Signed-off-by: Larry Finger <[EMAIL PROTECTED]>
---
To be applied to wireless-2.6.
Index: wireless-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ wireless-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -2980,8 +2980,10 @@ static int bcm43xx_chipset_attach(struct
err = bcm43xx_pctl_set_crystal(bcm, 1);
if (err)
goto out;
- bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
- bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status &
~PCI_STATUS_SIG_TARGET_ABORT);
+ err = bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
+ if (err)
+ goto out;
+ err = bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status &
~PCI_STATUS_SIG_TARGET_ABORT);
out:
return err;
@@ -3793,12 +3795,18 @@ static int bcm43xx_attach_board(struct b
}
net_dev->base_addr = (unsigned long)bcm->mmio_addr;
- bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
+ err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
&bcm->board_vendor);
- bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
+ if (err)
+ goto err_iounmap;
+ err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
&bcm->board_type);
- bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
+ if (err)
+ goto err_iounmap;
+ err = bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
&bcm->board_revision);
+ if (err)
+ goto err_iounmap;
err = bcm43xx_chipset_attach(bcm);
if (err)
@@ -3889,6 +3897,7 @@ err_pci_release:
pci_release_regions(pci_dev);
err_pci_disable:
pci_disable_device(pci_dev);
+ printk(KERN_ERR PFX "Unable to attach board\n");
goto out;
}
---
-
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