Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild

[linux-2.6-omap-h63xx.git] / drivers / scsi / sata_sil24.c

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 211ec7eebc9c864ef2b0470cbd8d48d08b07d548..4682a50650b4914e0b219d46ba90cbb4e998c229 100644 (file)
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -37,7 +37,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/device.h>
 #include <scsi/scsi_host.h>
-#include "scsi.h"
+#include <scsi/scsi_cmnd.h>
 #include <linux/libata.h>
 #include <asm/io.h>
 
@@ -255,7 +255,7 @@ static struct pci_driver sil24_pci_driver = {
        .remove                 = ata_pci_remove_one, /* safe? */
 };
 
-static Scsi_Host_Template sil24_sht = {
+static struct scsi_host_template sil24_sht = {
        .module                 = THIS_MODULE,
        .name                   = DRV_NAME,
        .ioctl                  = ata_scsi_ioctl,
@@ -635,6 +635,13 @@ static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *
        return IRQ_RETVAL(handled);
 }
 
+static inline void sil24_cblk_free(struct sil24_port_priv *pp, struct device *dev)
+{
+       const size_t cb_size = sizeof(*pp->cmd_block);
+
+       dma_free_coherent(dev, cb_size, pp->cmd_block, pp->cmd_block_dma);
+}
+
 static int sil24_port_start(struct ata_port *ap)
 {
        struct device *dev = ap->host_set->dev;
@@ -642,36 +649,44 @@ static int sil24_port_start(struct ata_port *ap)
        struct sil24_cmd_block *cb;
        size_t cb_size = sizeof(*cb);
        dma_addr_t cb_dma;
+       int rc = -ENOMEM;
 
-       pp = kmalloc(sizeof(*pp), GFP_KERNEL);
+       pp = kzalloc(sizeof(*pp), GFP_KERNEL);
        if (!pp)
-               return -ENOMEM;
-       memset(pp, 0, sizeof(*pp));
+               goto err_out;
 
        pp->tf.command = ATA_DRDY;
 
        cb = dma_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL);
-       if (!cb) {
-               kfree(pp);
-               return -ENOMEM;
-       }
+       if (!cb)
+               goto err_out_pp;
        memset(cb, 0, cb_size);
 
+       rc = ata_pad_alloc(ap, dev);
+       if (rc)
+               goto err_out_pad;
+
        pp->cmd_block = cb;
        pp->cmd_block_dma = cb_dma;
 
        ap->private_data = pp;
 
        return 0;
+
+err_out_pad:
+       sil24_cblk_free(pp, dev);
+err_out_pp:
+       kfree(pp);
+err_out:
+       return rc;
 }
 
 static void sil24_port_stop(struct ata_port *ap)
 {
        struct device *dev = ap->host_set->dev;
        struct sil24_port_priv *pp = ap->private_data;
-       size_t cb_size = sizeof(*pp->cmd_block);
 
-       dma_free_coherent(dev, cb_size, pp->cmd_block, pp->cmd_block_dma);
+       sil24_cblk_free(pp, dev);
        kfree(pp);
 }