[PATCH 7/8] staging: tidspbridge - fix some issues after iommu patches

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This patch fixes:

* In delete_node() we need to check for udsp_heap_addr in order
  to unmap the head instead of udsp_heap_res_addr which used
  to be the reserved memory a not valid anymore.

* Fix in get_io_pages() as pointed by Felipe Contreras in this
  mail:

http://marc.info/?l=linux-kernel&m=128735502205183&w=2

Signed-off-by: Fernando Guzman Lugo <x0095840@xxxxxx>
---
 drivers/staging/tidspbridge/core/dsp-mmu.c |    2 +-
 drivers/staging/tidspbridge/rmgr/node.c    |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/tidspbridge/core/dsp-mmu.c b/drivers/staging/tidspbridge/core/dsp-mmu.c
index 3a00087..54f3ba4 100644
--- a/drivers/staging/tidspbridge/core/dsp-mmu.c
+++ b/drivers/staging/tidspbridge/core/dsp-mmu.c
@@ -196,7 +196,7 @@ static int get_io_pages(struct mm_struct *mm, u32 uva, unsigned pages,
 	int i;
 	struct page *pg;
 
-	for (i = 0; i < pages; i++) {
+	for (i = 0; i < pages; i++, uva += PAGE_SIZE) {
 		pa = user_va2_pa(mm, uva);
 
 		if (!pfn_valid(__phys_to_pfn(pa)))
diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c
index 3f5abcf..f7fe6c0 100644
--- a/drivers/staging/tidspbridge/rmgr/node.c
+++ b/drivers/staging/tidspbridge/rmgr/node.c
@@ -2541,7 +2541,7 @@ static void delete_node(struct node_object *hnode,
 			kfree(task_arg_obj.strm_out_def);
 			task_arg_obj.strm_out_def = NULL;
 		}
-		if (task_arg_obj.udsp_heap_res_addr) {
+		if (task_arg_obj.udsp_heap_addr) {
 			status = proc_un_map(hnode->hprocessor, (void *)
 					     task_arg_obj.udsp_heap_addr,
 					     pr_ctxt);
-- 
1.6.3.3

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux