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Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 052d55c..b1b69d7 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);
@@ -1794,12 +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;