[PATCH 17/18] staging: sm7xx: call disable_pci_device() if pci_probe() failed
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From: Kulikov Vasiliy on 6 Aug 2010 16:00 Driver should call disable_pci_device() if it returns from pci_probe() with error. Signed-off-by: Kulikov Vasiliy <segooon(a)gmail.com> --- drivers/staging/sm7xx/smtcfb.c | 13 ++++++++----- 1 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c index f6b401c..24f47d6 100644 --- a/drivers/staging/sm7xx/smtcfb.c +++ b/drivers/staging/sm7xx/smtcfb.c @@ -848,7 +848,6 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, "Silicon Motion display driver " SMTC_LINUX_FB_VERSION "\n"); err = pci_enable_device(pdev); /* enable SMTC chip */ - if (err) return err; err = -ENOMEM; @@ -859,7 +858,7 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, sfb = smtc_alloc_fb_info(pdev, name); if (!sfb) - goto failed; + goto failed_free; /* Jason (08/13/2009) * Store fb_info to be further used when suspending and resuming */ @@ -917,7 +916,8 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, printk(KERN_INFO "%s: unable to map memory mapped IO\n", sfb->fb.fix.id); - return -ENOMEM; + err = -ENOMEM; + goto failed_fb; } /* set MCLK = 14.31818 * (0x16 / 0x2) */ @@ -951,8 +951,7 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, printk(KERN_INFO "No valid Silicon Motion display chip was detected!\n"); - smtc_free_fb_info(sfb); - return err; + goto failed_fb; } /* can support 32 bpp */ @@ -986,8 +985,12 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev, smtc_unmap_smem(sfb); smtc_unmap_mmio(sfb); +failed_fb: smtc_free_fb_info(sfb); +failed_free: + pci_disable_device(pdev); + return err; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |