pci syscall.c: Switch to refcounting API
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Родитель
a23adb5b2d
Коммит
e4585da22a
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@ -23,14 +23,14 @@ sys_pciconfig_read(unsigned long bus, unsigned long dfn,
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u8 byte;
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u16 word;
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u32 dword;
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long err, cfg_ret;
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long err;
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long cfg_ret;
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err = -EPERM;
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if (!capable(CAP_SYS_ADMIN))
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goto error;
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return -EPERM;
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err = -ENODEV;
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dev = pci_find_slot(bus, dfn);
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dev = pci_get_bus_and_slot(bus, dfn);
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if (!dev)
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goto error;
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@ -66,7 +66,8 @@ sys_pciconfig_read(unsigned long bus, unsigned long dfn,
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case 4:
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err = put_user(dword, (unsigned int __user *)buf);
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break;
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};
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}
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pci_dev_put(dev);
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return err;
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error:
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@ -83,7 +84,8 @@ error:
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case 4:
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put_user(-1, (unsigned int __user *)buf);
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break;
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};
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}
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pci_dev_put(dev);
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return err;
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}
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@ -101,7 +103,7 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn,
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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dev = pci_find_slot(bus, dfn);
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dev = pci_get_bus_and_slot(bus, dfn);
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if (!dev)
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return -ENODEV;
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@ -137,8 +139,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn,
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default:
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err = -EINVAL;
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break;
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};
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}
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unlock_kernel();
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pci_dev_put(dev);
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return err;
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}
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