DSPBRIDGE:Fix Kernel memory poison overwritten after DSP_MMUFAULT

Commit Message

Deepak Chitriki April 13, 2010, 4:55 p.m. UTC

None

Patch

diff --git a/drivers/dsp/bridge/wmd/ue_deh.c b/drivers/dsp/bridge/wmd/ue_deh.c
index 14dd8ae..7ed5f60 100644
--- a/drivers/dsp/bridge/wmd/ue_deh.c
+++ b/drivers/dsp/bridge/wmd/ue_deh.c
@@ -239,7 +239,8 @@  void bridge_deh_notify(struct deh_mgr *hdeh_mgr, u32 ulEventMask, u32 dwErrInfo)
 			       "bridge_deh_notify: DSP_MMUFAULT, fault "
 			       "address = 0x%x\n", (unsigned int)fault_addr);
 			dummy_va_addr =
-			    (u32) mem_calloc(sizeof(char) * 0x1000, MEM_PAGED);
+			    (void *)__get_free_pages(GFP_ATOMIC | __GFP_ZERO,
+						     0);
 			mem_physical =
 			    VIRT_TO_PHYS(PG_ALIGN_LOW
 					 ((u32) dummy_va_addr, PG_SIZE4K));
@@ -338,6 +339,6 @@  dsp_status bridge_deh_get_info(struct deh_mgr *hdeh_mgr,
  */
 void bridge_deh_release_dummy_mem(void)
 {
-	kfree((void *)dummy_va_addr);
+	free_pages((void *)dummy_va_addr, 0);
 	dummy_va_addr = 0;
 }