From c1ae8f3ad8758b588b4ba02edcb8d413185a10d7 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Sat, 12 Dec 2015 22:32:01 -0200
Subject: [PATCH] [media] davinci: ccdc_update_raw_params() frees the wrong
 thing

Passing a physical address to free_pages() is a bad idea.
config_params->fault_pxl.fpc_table_addr is set to virt_to_phys()
of __get_free_pages() return value; what we should pass to free_pages()
is its phys_to_virt().  ccdc_close() does that properly, but
ccdc_update_raw_params() doesn't.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
 drivers/media/platform/davinci/dm644x_ccdc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/davinci/dm644x_ccdc.c b/drivers/media/platform/davinci/dm644x_ccdc.c
index ffbefdff6b5e..6fba32bec974 100644
--- a/drivers/media/platform/davinci/dm644x_ccdc.c
+++ b/drivers/media/platform/davinci/dm644x_ccdc.c
@@ -261,7 +261,7 @@ static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params)
 	 */
 	if (raw_params->fault_pxl.fp_num != config_params->fault_pxl.fp_num) {
 		if (fpc_physaddr != NULL) {
-			free_pages((unsigned long)fpc_physaddr,
+			free_pages((unsigned long)fpc_virtaddr,
 				   get_order
 				   (config_params->fault_pxl.fp_num *
 				   FP_NUM_BYTES));