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| author | Douglas Gilbert <dougg@torque.net> | 2006-08-19 00:11:34 -0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-08-26 09:25:06 -0500 |
| commit | b2155d0417df9f2b4c0d396b6530b864d9f08623 (patch) | |
| tree | 3e7683501f150b6eff19226da139cbd5f69d3b78 /drivers/scsi/sg.c | |
| parent | 48e2691f9c3bd6719e773f0b883449f4cef39585 (diff) | |
| download | linux-b2155d0417df9f2b4c0d396b6530b864d9f08623.tar.gz linux-b2155d0417df9f2b4c0d396b6530b864d9f08623.tar.bz2 linux-b2155d0417df9f2b4c0d396b6530b864d9f08623.zip | |
[SCSI] sg: fix incorrect page problem
There's a problem where sg is executing a ->nopage operation on a
compound page, it actually calls get_page() on the first page in the
compound rather than the page which is being mapped. The fix is to
select the correct page by indexing into the compound.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 65eef33846bb..34f9343ed0af 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -18,8 +18,8 @@ * */ -static int sg_version_num = 30533; /* 2 digits for each component */ -#define SG_VERSION_STR "3.5.33" +static int sg_version_num = 30534; /* 2 digits for each component */ +#define SG_VERSION_STR "3.5.34" /* * D. P. Gilbert (dgilbert@interlog.com, dougg@triode.net.au), notes: @@ -60,7 +60,7 @@ 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 = "20050908"; +static char *sg_version_date = "20060818"; static int sg_proc_init(void); static void sg_proc_cleanup(void); @@ -1164,7 +1164,7 @@ sg_vma_nopage(struct vm_area_struct *vma, unsigned long addr, int *type) len = vma->vm_end - sa; len = (len < sg->length) ? len : sg->length; if (offset < len) { - page = sg->page; + page = virt_to_page(page_address(sg->page) + offset); get_page(page); /* increment page count */ break; } |