diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2006-06-25 16:49:01 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 21:01:21 +0400 |
| commit | c33ac89bc7d697e23ce09ddae73e0ece5f65ad48 (patch) | |
| tree | 4584fa3aa65ee46d3eb48f7b6b81e4af2d165d0e | |
| parent | e7b69055820a221d7da29092fd553fd7cd6a97d1 (diff) | |
| download | linux-c33ac89bc7d697e23ce09ddae73e0ece5f65ad48.tar.xz | |
[PATCH] CCISS: disable device when returning failure
If something fails after we call pci_enable_device(), we should call
pci_disable_device() before returning the failure.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/block/cciss.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index e2df9eb6b90d..83bd091fc6ce 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -2744,7 +2744,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) __u64 cfg_offset; __u32 cfg_base_addr; __u64 cfg_base_addr_index; - int i; + int i, err; /* check to see if controller has been disabled */ /* BEFORE trying to enable it */ @@ -2752,13 +2752,14 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) if(!(command & 0x02)) { printk(KERN_WARNING "cciss: controller appears to be disabled\n"); - return(-1); + return -ENODEV; } - if (pci_enable_device(pdev)) + err = pci_enable_device(pdev); + if (err) { printk(KERN_ERR "cciss: Unable to Enable PCI device\n"); - return( -1); + return err; } subsystem_vendor_id = pdev->subsystem_vendor; @@ -2824,7 +2825,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) } if (scratchpad != CCISS_FIRMWARE_READY) { printk(KERN_WARNING "cciss: Board not ready. Timed out.\n"); - return -1; + err = -ENODEV; + goto err_out_disable_pdev; } /* get the address index number */ @@ -2841,7 +2843,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) if (cfg_base_addr_index == -1) { printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n"); release_io_mem(c); - return -1; + err = -ENODEV; + goto err_out_disable_pdev; } cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET); @@ -2868,7 +2871,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) printk(KERN_WARNING "cciss: Sorry, I don't know how" " to access the Smart Array controller %08lx\n", (unsigned long)board_id); - return -1; + err = -ENODEV; + goto err_out_disable_pdev; } if ( (readb(&c->cfgtable->Signature[0]) != 'C') || (readb(&c->cfgtable->Signature[1]) != 'I') || @@ -2876,7 +2880,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) (readb(&c->cfgtable->Signature[3]) != 'S') ) { printk("Does not appear to be a valid CISS config table\n"); - return -1; + err = -ENODEV; + goto err_out_disable_pdev; } #ifdef CONFIG_X86 @@ -2920,10 +2925,14 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) { printk(KERN_WARNING "cciss: unable to get board into" " simple mode\n"); - return -1; + err = -ENODEV; + goto err_out_disable_pdev; } return 0; +err_out_disable_pdev: + pci_disable_device(pdev); + return err; } /* |