diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index e822ca0e97cf..4d09a6e4dd2e 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 = "20050908"; 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 (scsi_host_in_recovery(sdp->device->host)) return -EBUSY; } else if (!scsi_block_when_processing_errors(sdp->device)) return -EBUSY; @@ -1300,7 +1299,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) sg_rb_correct4mmap(rsv_schp, 1); /* do only once per fd lifetime */ sfp->mmap_called = 1; } - vma->vm_flags |= (VM_RESERVED | VM_IO); + vma->vm_flags |= VM_RESERVED; vma->vm_private_data = sfp; vma->vm_ops = &sg_mmap_vm_ops; return 0; @@ -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; |