VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / drivers / s390 / scsi / zfcp_aux.c

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 4f4fd5a..dad0289 100644 (file)
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -29,7 +29,7 @@
  */
 
 /* this drivers version (do not edit !!! generated and updated by cvs) */
-#define ZFCP_AUX_REVISION "$Revision: 1.108 $"
+#define ZFCP_AUX_REVISION "$Revision: 1.115 $"
 
 #include "zfcp_ext.h"
 
@@ -41,8 +41,6 @@ static char *device;
 /* written against the module interface */
 static int __init  zfcp_module_init(void);
 
-int zfcp_reboot_handler(struct notifier_block *, unsigned long, void *);
-
 /* FCP related */
 static void zfcp_ns_gid_pn_handler(unsigned long);
 
@@ -310,6 +308,10 @@ zfcp_module_init(void)
        /* initialize adapters to be removed list head */
        INIT_LIST_HEAD(&zfcp_data.adapter_remove_lh);
 
+       zfcp_transport_template = fc_attach_transport(&zfcp_transport_functions);
+       if (!zfcp_transport_template)
+               return -ENODEV;
+
 #ifdef CONFIG_S390_SUPPORT
        retval = register_ioctl32_conversion(zfcp_ioctl_trans.cmd,
                                             zfcp_ioctl_trans.handler);
@@ -334,9 +336,6 @@ zfcp_module_init(void)
        /* initialise configuration rw lock */
        rwlock_init(&zfcp_data.config_lock);
 
-       zfcp_data.reboot_notifier.notifier_call = zfcp_reboot_handler;
-       register_reboot_notifier(&zfcp_data.reboot_notifier);
-
        /* save address of data structure managing the driver module */
        zfcp_data.scsi_host_template.module = THIS_MODULE;
 
@@ -353,7 +352,6 @@ zfcp_module_init(void)
        goto out;
 
  out_ccw_register:
-       unregister_reboot_notifier(&zfcp_data.reboot_notifier);
        misc_deregister(&zfcp_cfdc_misc);
  out_misc_register:
 #ifdef CONFIG_S390_SUPPORT
@@ -365,23 +363,6 @@ zfcp_module_init(void)
        return retval;
 }
 
-/*
- * This function is called automatically by the kernel whenever a reboot or a 
- * shut-down is initiated and zfcp is still loaded
- *
- * locks:       zfcp_data.config_sema is taken prior to shutting down the module
- *              and removing all structures
- * returns:     NOTIFY_DONE in all cases
- */
-int
-zfcp_reboot_handler(struct notifier_block *notifier, unsigned long code,
-                   void *ptr)
-{
-       zfcp_ccw_unregister();
-       return NOTIFY_DONE;
-}
-
-
 /*
  * function:    zfcp_cfdc_dev_ioctl
  *
@@ -414,7 +395,7 @@ zfcp_cfdc_dev_ioctl(struct inode *inode, struct file *file,
                retval = -ENOMEM;
                goto out;
        }
-       sg_list->count = 0;
+       memset(sg_list, 0, sizeof(*sg_list));
 
        if (command != ZFCP_CFDC_IOC) {
                ZFCP_LOG_INFO("IOC request code 0x%x invalid\n", command);
@@ -599,6 +580,7 @@ zfcp_sg_list_alloc(struct zfcp_sg_list *sg_list, size_t size)
        sg_list->sg = kmalloc(sg_list->count * sizeof(struct scatterlist),
                              GFP_KERNEL);
        if (sg_list->sg == NULL) {
+               sg_list->count = 0;
                retval = -ENOMEM;
                goto out;
        }
@@ -635,11 +617,13 @@ zfcp_sg_list_free(struct zfcp_sg_list *sg_list)
        unsigned int i;
        int retval = 0;
 
-       BUG_ON((sg_list->sg == NULL) || (sg_list == NULL));
+       BUG_ON(sg_list == NULL);
 
        for (i = 0, sg = sg_list->sg; i < sg_list->count; i++, sg++)
                __free_pages(sg->page, 0);
 
+       kfree(sg_list->sg);
+
        return retval;
 }