diff options
Diffstat (limited to 'drivers/block/mtip32xx/mtip32xx.c')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 847b8ff7b8c2..1cf2b0443571 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -85,6 +85,7 @@ int mtip_major; static DEFINE_SPINLOCK(rssd_index_lock); static DEFINE_IDA(rssd_index_ida); +#ifdef CONFIG_COMPAT struct mtip_compat_ide_task_request_s { __u8 io_ports[8]; __u8 hob_ports[8]; @@ -95,6 +96,7 @@ struct mtip_compat_ide_task_request_s { compat_ulong_t out_size; compat_ulong_t in_size; }; +#endif static int mtip_exec_internal_command(struct mtip_port *port, void *fis, @@ -1628,9 +1630,9 @@ static int exec_drive_taskfile(struct driver_data *dd, ide_task_request_t *req_task; u8 *outbuf = NULL; u8 *inbuf = NULL; - dma_addr_t outbuf_dma = (dma_addr_t)NULL; - dma_addr_t inbuf_dma = (dma_addr_t)NULL; - dma_addr_t dma_buffer = (dma_addr_t)NULL; + dma_addr_t outbuf_dma = 0; + dma_addr_t inbuf_dma = 0; + dma_addr_t dma_buffer = 0; int err = 0; int tasksize = sizeof(struct ide_task_request_s); unsigned int taskin = 0; @@ -1642,14 +1644,18 @@ static int exec_drive_taskfile(struct driver_data *dd, unsigned int transfer_size; unsigned long task_file_data; int intotal, outtotal; +#ifdef CONFIG_COMPAT struct mtip_compat_ide_task_request_s *compat_req_task = NULL; int compat_tasksize = sizeof(struct mtip_compat_ide_task_request_s); +#endif + req_task = kzalloc(tasksize, GFP_KERNEL); if (req_task == NULL) return -ENOMEM; if (compat == 1) { +#ifdef CONFIG_COMPAT compat_req_task = (struct mtip_compat_ide_task_request_s __user *) arg; @@ -1672,6 +1678,10 @@ static int exec_drive_taskfile(struct driver_data *dd, outtotal = compat_tasksize; intotal = compat_tasksize + req_task->out_size; +#else + outtotal = 0; + intotal = 0; +#endif } else { if (copy_from_user(req_task, buf, tasksize)) { kfree(req_task); @@ -1705,7 +1715,7 @@ static int exec_drive_taskfile(struct driver_data *dd, outbuf, taskout, DMA_TO_DEVICE); - if (outbuf_dma == (dma_addr_t)NULL) { + if (outbuf_dma == 0) { err = -ENOMEM; goto abort; } @@ -1726,7 +1736,7 @@ static int exec_drive_taskfile(struct driver_data *dd, inbuf_dma = pci_map_single(dd->pdev, inbuf, taskin, DMA_FROM_DEVICE); - if (inbuf_dma == (dma_addr_t)NULL) { + if (inbuf_dma == 0) { err = -ENOMEM; goto abort; } @@ -1868,8 +1878,8 @@ static int exec_drive_taskfile(struct driver_data *dd, if (outbuf_dma) pci_unmap_single(dd->pdev, outbuf_dma, taskout, DMA_TO_DEVICE); - inbuf_dma = (dma_addr_t) NULL; - outbuf_dma = (dma_addr_t) NULL; + inbuf_dma = 0; + outbuf_dma = 0; /* return the ATA registers to the caller.*/ req_task->io_ports[1] = reply->features; @@ -1913,6 +1923,7 @@ static int exec_drive_taskfile(struct driver_data *dd, up_write(&dd->internal_sem); if (compat == 1) { +#ifdef CONFIG_COMPAT if (copy_to_user(buf, req_task, compat_tasksize - (2 * sizeof(compat_long_t)))) { @@ -1928,6 +1939,7 @@ static int exec_drive_taskfile(struct driver_data *dd, err = -EFAULT; goto abort; } +#endif } else { if (copy_to_user(buf, req_task, tasksize)) { err = -EFAULT; @@ -2873,6 +2885,7 @@ static int mtip_block_ioctl(struct block_device *dev, } } +#ifdef CONFIG_COMPAT /* * Block layer compat IOCTL handler. * @@ -2906,6 +2919,7 @@ static int mtip_block_compat_ioctl(struct block_device *dev, return mtip_hw_ioctl(dd, cmd, arg, 1); } } +#endif /* * Obtain the geometry of the device. @@ -2959,7 +2973,9 @@ static int mtip_block_getgeo(struct block_device *dev, */ static const struct block_device_operations mtip_block_ops = { .ioctl = mtip_block_ioctl, +#ifdef CONFIG_COMPAT .compat_ioctl = mtip_block_compat_ioctl, +#endif .getgeo = mtip_block_getgeo, .owner = THIS_MODULE }; |