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Message-Id: <1291066280-19126-2-git-send-email-peterhuewe@gmx.de>
Date: Mon, 29 Nov 2010 22:31:19 +0100
From: Peter Huewe <peterhuewe@....de>
To: Greg Kroah-Hartman <gregkh@...e.de>
Cc: Mark Allyn <mark.a.allyn@...el.com>,
Alan Cox <alan@...ux.intel.com>,
Ben Hutchings <ben@...adent.org.uk>,
Joe Perches <joe@...ches.com>, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org, Peter Huewe <peterhuewe@....de>
Subject: [PATCH 2/3] staging/sep: Fix sparse warning 'Using plain integer as NULL pointer'
This patch fixes the warning generated by sparse: "Using plain integer as
NULL pointer" by replacing the offending 0s with NULL.
Signed-off-by: Peter Huewe <peterhuewe@....de>
---
LinuxVersion: linux-next-20101129
drivers/staging/sep/sep_driver.c | 38 +++++++++++++++++++-------------------
1 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
index 0c802dc..cf5c897 100644
--- a/drivers/staging/sep/sep_driver.c
+++ b/drivers/staging/sep/sep_driver.c
@@ -510,12 +510,12 @@ static int sep_free_dma_table_data_handler(struct sep_device *sep)
}
/* reset all the values */
- dma->in_page_array = 0;
- dma->out_page_array = 0;
+ dma->in_page_array = NULL;
+ dma->out_page_array = NULL;
dma->in_num_pages = 0;
dma->out_num_pages = 0;
- dma->in_map_array = 0;
- dma->out_map_array = 0;
+ dma->in_map_array = NULL;
+ dma->out_map_array = NULL;
dma->in_map_num_entries = 0;
dma->out_map_num_entries = 0;
@@ -1298,13 +1298,13 @@ static int sep_lock_kernel_pages(struct sep_device *sep,
if (in_out_flag == SEP_DRIVER_IN_FLAG) {
*lli_array_ptr = lli_array;
sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages = 1;
- sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = 0;
+ sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = NULL;
sep->dma_res_arr[sep->nr_dcb_creat].in_map_array = map_array;
sep->dma_res_arr[sep->nr_dcb_creat].in_map_num_entries = 1;
} else {
*lli_array_ptr = lli_array;
sep->dma_res_arr[sep->nr_dcb_creat].out_num_pages = 1;
- sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = 0;
+ sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = NULL;
sep->dma_res_arr[sep->nr_dcb_creat].out_map_array = map_array;
sep->dma_res_arr[sep->nr_dcb_creat].out_map_num_entries = 1;
}
@@ -1430,7 +1430,7 @@ static int sep_lock_user_pages(struct sep_device *sep,
result = get_user_pages(current, current->mm, app_virt_addr,
num_pages,
((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1),
- 0, page_array, 0);
+ 0, page_array, NULL);
up_read(¤t->mm->mmap_sem);
@@ -1993,7 +1993,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep,
"block_size is %x\n", block_size);
/* initialize the pages pointers */
- sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = 0;
+ sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = NULL;
sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages = 0;
/* set the kernel address for first table to be allocated */
@@ -2037,7 +2037,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep,
sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages);
current_entry = 0;
- info_entry_ptr = 0;
+ info_entry_ptr = NULL;
sep_lli_entries =
sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages;
@@ -2088,7 +2088,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep,
in_lli_table_ptr,
¤t_entry, &num_entries_in_table, table_data_size);
- if (info_entry_ptr == 0) {
+ if (info_entry_ptr == NULL) {
/* set the output parameters to physical addresses */
*lli_table_ptr = sep_shared_area_virt_to_bus(sep,
@@ -2185,16 +2185,16 @@ static int sep_construct_dma_tables_from_lli(
u32 lli_table_alloc_addr = 0;
/* input lli table */
- struct sep_lli_entry *in_lli_table_ptr = 0;
+ struct sep_lli_entry *in_lli_table_ptr = NULL;
/* output lli table */
- struct sep_lli_entry *out_lli_table_ptr = 0;
+ struct sep_lli_entry *out_lli_table_ptr = NULL;
/* pointer to the info entry of the table - the last entry */
- struct sep_lli_entry *info_in_entry_ptr = 0;
+ struct sep_lli_entry *info_in_entry_ptr = NULL;
/* pointer to the info entry of the table - the last entry */
- struct sep_lli_entry *info_out_entry_ptr = 0;
+ struct sep_lli_entry *info_out_entry_ptr = NULL;
/* points to the first entry to be processed in the lli_in_array */
u32 current_in_entry = 0;
@@ -2321,7 +2321,7 @@ static int sep_construct_dma_tables_from_lli(
table_data_size);
/* if info entry is null - this is the first table built */
- if (info_in_entry_ptr == 0) {
+ if (info_in_entry_ptr == NULL) {
/* set the output parameters to physical addresses */
*lli_table_in_ptr =
sep_shared_area_virt_to_bus(sep, in_lli_table_ptr);
@@ -2464,8 +2464,8 @@ static int sep_prepare_input_output_dma_table(struct sep_device *sep,
}
/* initialize the pages pointers */
- sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = 0;
- sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = 0;
+ sep->dma_res_arr[sep->nr_dcb_creat].in_page_array = NULL;
+ sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = NULL;
/* lock the pages of the buffer and translate them to pages */
if (is_kva == true) {
@@ -2603,7 +2603,7 @@ static int sep_prepare_input_output_dma_table_in_dcb(struct sep_device *sep,
u32 tail_size = 0;
/* address of the created dcb table */
- struct sep_dcblock *dcb_table_ptr = 0;
+ struct sep_dcblock *dcb_table_ptr = NULL;
/* the physical address of the first input DMA table */
dma_addr_t in_first_mlli_address = 0;
@@ -2920,7 +2920,7 @@ static int sep_get_static_pool_addr_handler(struct sep_device *sep,
{
struct stat_pool_addr_struct command_args;
- u32 *static_pool_addr = 0;
+ u32 *static_pool_addr = NULL;
unsigned long addr_hold;
--
1.7.2.2
--
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