Commit dda16b23 authored by Peter Huewe's avatar Peter Huewe Committed by Greg Kroah-Hartman
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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: default avatarPeter Huewe <peterhuewe@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent eb6b420d

drivers/staging/sep/sep_driver.c

+19 −19
Original line number Diff line number Diff line
@@ -459,12 +459,12 @@ 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;

	}
@@ -1114,13 +1114,13 @@ 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;

	}
@@ -1216,7 +1216,7 @@ 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(&current->mm->mmap_sem);
@@ -1709,7 +1709,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep, 
	dev_dbg(&sep->pdev->dev, "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 */
@@ -1745,7 +1745,7 @@ 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;
@@ -1794,7 +1794,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep, 
			in_lli_table_ptr,

			&current_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,
@@ -1877,13 +1877,13 @@ static int sep_construct_dma_tables_from_lli( 
	/* Points to the area where next lli table can be allocated */

	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;

	/* Points to the first entry to be processed in the lli_out_array */
@@ -1999,7 +1999,7 @@ 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);
@@ -2136,8 +2136,8 @@ 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) {
@@ -2264,7 +2264,7 @@ static int sep_prepare_input_output_dma_table_in_dcb(struct sep_device *sep, 
	/* Size of tail */

	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;

	/* Number of entries in the first input DMA table */
@@ -2545,7 +2545,7 @@ static int sep_get_static_pool_addr_handler(struct sep_device *sep, 
	unsigned long arg)

{

	struct stat_pool_addr_struct command_args;

	u32 *static_pool_addr = 0;

	u32 *static_pool_addr = NULL;

	unsigned long addr_hold;



	dev_dbg(&sep->pdev->dev, "sep_get_static_pool_addr_handler start\n");