diff options
Diffstat (limited to 'drivers/scsi/st.c')
-rw-r--r-- | drivers/scsi/st.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index ce69b9efc102..98dfd6ea209c 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c | |||
@@ -3797,13 +3797,11 @@ static void buf_to_sg(struct st_buffer *STbp, unsigned int length) | |||
3797 | sg = &(STbp->sg[0]); | 3797 | sg = &(STbp->sg[0]); |
3798 | frp = STbp->frp; | 3798 | frp = STbp->frp; |
3799 | for (i=count=0; count < length; i++) { | 3799 | for (i=count=0; count < length; i++) { |
3800 | sg_set_page(&sg[i], frp[i].page); | ||
3801 | if (length - count > frp[i].length) | 3800 | if (length - count > frp[i].length) |
3802 | sg[i].length = frp[i].length; | 3801 | sg_set_page(&sg[i], frp[i].page, frp[i].length, 0); |
3803 | else | 3802 | else |
3804 | sg[i].length = length - count; | 3803 | sg_set_page(&sg[i], frp[i].page, length - count, 0); |
3805 | count += sg[i].length; | 3804 | count += sg[i].length; |
3806 | sg[i].offset = 0; | ||
3807 | } | 3805 | } |
3808 | STbp->sg_segs = i; | 3806 | STbp->sg_segs = i; |
3809 | STbp->frp_sg_current = length; | 3807 | STbp->frp_sg_current = length; |
@@ -4446,15 +4444,13 @@ static int sgl_map_user_pages(struct scatterlist *sgl, const unsigned int max_pa | |||
4446 | } | 4444 | } |
4447 | 4445 | ||
4448 | /* Populate the scatter/gather list */ | 4446 | /* Populate the scatter/gather list */ |
4449 | sg_set_page(&sgl[0], pages[0]); | 4447 | sg_set_page(&sgl[0], pages[0], 0, uaddr & ~PAGE_MASK); |
4450 | sgl[0].offset = uaddr & ~PAGE_MASK; | ||
4451 | if (nr_pages > 1) { | 4448 | if (nr_pages > 1) { |
4452 | sgl[0].length = PAGE_SIZE - sgl[0].offset; | 4449 | sgl[0].length = PAGE_SIZE - sgl[0].offset; |
4453 | count -= sgl[0].length; | 4450 | count -= sgl[0].length; |
4454 | for (i=1; i < nr_pages ; i++) { | 4451 | for (i=1; i < nr_pages ; i++) { |
4455 | sg_set_page(&sgl[i], pages[i]);; | 4452 | sg_set_page(&sgl[i], pages[i], |
4456 | sgl[i].offset = 0; | 4453 | count < PAGE_SIZE ? count : PAGE_SIZE, 0);; |
4457 | sgl[i].length = count < PAGE_SIZE ? count : PAGE_SIZE; | ||
4458 | count -= PAGE_SIZE; | 4454 | count -= PAGE_SIZE; |
4459 | } | 4455 | } |
4460 | } | 4456 | } |