提交 d18dfad4 编写于 作者: S Stephen M. Cameron 提交者: Jens Axboe

cciss: factor out cciss_getbustypes

Signed-off-by: NStephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: NJens Axboe <jaxboe@fusionio.com>
上级 93c74931
......@@ -1345,6 +1345,18 @@ static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
return 0;
}
static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
{
BusTypes_type BusTypes;
if (!argp)
return -EINVAL;
BusTypes = readl(&h->cfgtable->BusTypes);
if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
return 0;
}
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
......@@ -1369,17 +1381,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
case CCISS_GETHEARTBEAT:
return cciss_getheartbeat(h, argp);
case CCISS_GETBUSTYPES:
{
BusTypes_type BusTypes;
if (!arg)
return -EINVAL;
BusTypes = readl(&h->cfgtable->BusTypes);
if (copy_to_user
(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
return 0;
}
return cciss_getbustypes(h, argp);
case CCISS_GETFIRMVER:
{
FirmwareVer_type firmware;
......
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