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Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 7936aafc3d05..b1b69d738d08 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -61,7 +61,7 @@ static int sg_version_num = 30533; /* 2 digits for each component */
#ifdef CONFIG_SCSI_PROC_FS
#include <linux/proc_fs.h>
-static char *sg_version_date = "20050328";
+static char *sg_version_date = "20050901";
static int sg_proc_init(void);
static void sg_proc_cleanup(void);
@@ -1027,8 +1027,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
if (sdp->detached)
return -ENODEV;
if (filp->f_flags & O_NONBLOCK) {
- if (test_bit(SHOST_RECOVERY,
- &sdp->device->host->shost_state))
+ if (sdp->device->host->shost_state == SHOST_RECOVERY)
return -EBUSY;
} else if (!scsi_block_when_processing_errors(sdp->device))
return -EBUSY;
@@ -1430,7 +1429,7 @@ static struct file_operations sg_fops = {
.fasync = sg_fasync,
};
-static struct class_simple * sg_sysfs_class;
+static struct class *sg_sysfs_class;
static int sg_sysfs_valid = 0;
@@ -1551,13 +1550,13 @@ sg_add(struct class_device *cl_dev)
if (sg_sysfs_valid) {
struct class_device * sg_class_member;
- sg_class_member = class_simple_device_add(sg_sysfs_class,
+ sg_class_member = class_device_create(sg_sysfs_class,
MKDEV(SCSI_GENERIC_MAJOR, k),
cl_dev->dev, "%s",
disk->disk_name);
if (IS_ERR(sg_class_member))
printk(KERN_WARNING "sg_add: "
- "class_simple_device_add failed\n");
+ "class_device_create failed\n");
class_set_devdata(sg_class_member, sdp);
error = sysfs_create_link(&scsidp->sdev_gendev.kobj,
&sg_class_member->kobj, "generic");
@@ -1636,7 +1635,7 @@ sg_remove(struct class_device *cl_dev)
if (sdp) {
sysfs_remove_link(&scsidp->sdev_gendev.kobj, "generic");
- class_simple_device_remove(MKDEV(SCSI_GENERIC_MAJOR, k));
+ class_device_destroy(sg_sysfs_class, MKDEV(SCSI_GENERIC_MAJOR, k));
cdev_del(sdp->cdev);
sdp->cdev = NULL;
devfs_remove("%s/generic", scsidp->devfs_name);
@@ -1677,7 +1676,7 @@ init_sg(void)
SG_MAX_DEVS, "sg");
if (rc)
return rc;
- sg_sysfs_class = class_simple_create(THIS_MODULE, "scsi_generic");
+ sg_sysfs_class = class_create(THIS_MODULE, "scsi_generic");
if ( IS_ERR(sg_sysfs_class) ) {
rc = PTR_ERR(sg_sysfs_class);
goto err_out;
@@ -1690,7 +1689,7 @@ init_sg(void)
#endif /* CONFIG_SCSI_PROC_FS */
return 0;
}
- class_simple_destroy(sg_sysfs_class);
+ class_destroy(sg_sysfs_class);
err_out:
unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0), SG_MAX_DEVS);
return rc;
@@ -1703,7 +1702,7 @@ exit_sg(void)
sg_proc_cleanup();
#endif /* CONFIG_SCSI_PROC_FS */
scsi_unregister_interface(&sg_interface);
- class_simple_destroy(sg_sysfs_class);
+ class_destroy(sg_sysfs_class);
sg_sysfs_valid = 0;
unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
SG_MAX_DEVS);
@@ -1795,12 +1794,12 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages,
unsigned long uaddr, size_t count, int rw,
unsigned long max_pfn)
{
+ unsigned long end = (uaddr + count + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ unsigned long start = uaddr >> PAGE_SHIFT;
+ const int nr_pages = end - start;
int res, i, j;
- unsigned int nr_pages;
struct page **pages;
- nr_pages = ((uaddr & ~PAGE_MASK) + count + ~PAGE_MASK) >> PAGE_SHIFT;
-
/* User attempted Overflow! */
if ((uaddr + count) < uaddr)
return -EINVAL;
@@ -2472,6 +2471,8 @@ sg_remove_request(Sg_fd * sfp, Sg_request * srp)
if ((!sfp) || (!srp) || (!sfp->headrp))
return res;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
+ if (srp->my_cmdp)
+ srp->my_cmdp->upper_private_data = NULL;
prev_rp = sfp->headrp;
if (srp == prev_rp) {
sfp->headrp = prev_rp->nextrp;
@@ -2969,23 +2970,22 @@ static void * dev_seq_start(struct seq_file *s, loff_t *pos)
{
struct sg_proc_deviter * it = kmalloc(sizeof(*it), GFP_KERNEL);
+ s->private = it;
if (! it)
return NULL;
+
if (NULL == sg_dev_arr)
- goto err1;
+ return NULL;
it->index = *pos;
it->max = sg_last_dev();
if (it->index >= it->max)
- goto err1;
+ return NULL;
return it;
-err1:
- kfree(it);
- return NULL;
}
static void * dev_seq_next(struct seq_file *s, void *v, loff_t *pos)
{
- struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
+ struct sg_proc_deviter * it = s->private;
*pos = ++it->index;
return (it->index < it->max) ? it : NULL;
@@ -2993,7 +2993,7 @@ static void * dev_seq_next(struct seq_file *s, void *v, loff_t *pos)
static void dev_seq_stop(struct seq_file *s, void *v)
{
- kfree (v);
+ kfree(s->private);
}
static int sg_proc_open_dev(struct inode *inode, struct file *file)