From: Al Viro Date: Sun, 13 Dec 2015 00:32:01 +0000 (-0200) Subject: [media] davinci: ccdc_update_raw_params() frees the wrong thing X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c1ae8f3ad8758b588b4ba02edcb8d413185a10d7;p=linux-beck.git [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 Acked-by: Lad, Prabhakar Signed-off-by: Mauro Carvalho Chehab --- 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));