* (otherwise the macros compile to empty statements).
*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/fs.h>
/*
* most likely out of mem, but could also be a bad map
*/
+ sg_finish_rem_req(srp);
return -ENOMEM;
} else
return 0;
if (!sg_allow_access(opcode, sdp->device->type))
return -EPERM;
}
- return scsi_ioctl_send_command(sdp->device, p);
+ return sg_scsi_ioctl(filp, sdp->device->request_queue, NULL, p);
case SG_SET_DEBUG:
result = get_user(val, ip);
if (result)
Sg_device *sdp = NULL;
struct cdev * cdev = NULL;
int error, k;
+ unsigned long iflags;
disk = alloc_disk(1);
if (!disk) {
error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, k), 1);
if (error)
- goto out;
+ goto cdev_add_err;
sdp->cdev = cdev;
if (sg_sysfs_valid) {
return 0;
+cdev_add_err:
+ write_lock_irqsave(&sg_dev_arr_lock, iflags);
+ kfree(sg_dev_arr[k]);
+ sg_dev_arr[k] = NULL;
+ sg_nr_dev--;
+ write_unlock_irqrestore(&sg_dev_arr_lock, iflags);
+
out:
put_disk(disk);
if (cdev)
res = st_map_user_pages(schp->buffer, mx_sc_elems,
(unsigned long)hp->dxferp, dxfer_len,
(SG_DXFER_TO_DEV == hp->dxfer_direction) ? 1 : 0);
- if (res <= 0)
+ if (res <= 0) {
+ sg_remove_scat(schp);
return 1;
+ }
schp->k_use_sg = res;
schp->dio_in_use = 1;
hp->info |= SG_INFO_DIRECT_IO;
sg_proc_init(void)
{
int k, mask;
- int num_leaves =
- sizeof (sg_proc_leaf_arr) / sizeof (sg_proc_leaf_arr[0]);
+ int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
struct proc_dir_entry *pdep;
struct sg_proc_leaf * leaf;
sg_proc_cleanup(void)
{
int k;
- int num_leaves =
- sizeof (sg_proc_leaf_arr) / sizeof (sg_proc_leaf_arr[0]);
+ int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
if (!sg_proc_sgp)
return;