[PATCH 3/4] Staging: xgifb: disable pci device if there's an error after enabling it.

From: Miguel GÃmez
Date: Wed Jun 06 2012 - 10:32:09 EST


Signed-off-by: Miguel GÃmez <magomez@xxxxxxxxxx>
---
drivers/staging/xgifb/XGI_main_26.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index 96abb23..438781f 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -1904,7 +1904,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
if (reg1 != 0xa1) { /*I/O error */
pr_err("I/O error!!!");
ret = -EIO;
- goto error;
+ goto error_disable;
}

switch (xgifb_info->chip_id) {
@@ -1927,7 +1927,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
break;
default:
ret = -ENODEV;
- goto error;
+ goto error_disable;
}

pr_info("chipid = %x\n", xgifb_info->chip);
@@ -1936,7 +1936,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
if (XGIfb_get_dram_size(xgifb_info)) {
pr_err("Fatal error: Unable to determine RAM size.\n");
ret = -ENODEV;
- goto error;
+ goto error_disable;
}

/* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
@@ -1956,7 +1956,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
pr_err("Fatal error: Unable to reserve frame buffer memory\n");
pr_err("Is there another framebuffer driver active?\n");
ret = -ENODEV;
- goto error;
+ goto error_disable;
}

if (!request_mem_region(xgifb_info->mmio_base,
@@ -2271,6 +2271,8 @@ error_1:
release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
error_0:
release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
+error_disable:
+ pci_disable_device(pdev);
error:
framebuffer_release(fb_info);
return ret;
--
1.7.9.5

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