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@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
eb6b420da1
commit
dda16b23e3
|
@ -459,12 +459,12 @@ static int sep_free_dma_table_data_handler(struct sep_device *sep)
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Reset all the values */
|
/* Reset all the values */
|
||||||
dma->in_page_array = 0;
|
dma->in_page_array = NULL;
|
||||||
dma->out_page_array = 0;
|
dma->out_page_array = NULL;
|
||||||
dma->in_num_pages = 0;
|
dma->in_num_pages = 0;
|
||||||
dma->out_num_pages = 0;
|
dma->out_num_pages = 0;
|
||||||
dma->in_map_array = 0;
|
dma->in_map_array = NULL;
|
||||||
dma->out_map_array = 0;
|
dma->out_map_array = NULL;
|
||||||
dma->in_map_num_entries = 0;
|
dma->in_map_num_entries = 0;
|
||||||
dma->out_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) {
|
if (in_out_flag == SEP_DRIVER_IN_FLAG) {
|
||||||
*lli_array_ptr = lli_array;
|
*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_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_array = map_array;
|
||||||
sep->dma_res_arr[sep->nr_dcb_creat].in_map_num_entries = 1;
|
sep->dma_res_arr[sep->nr_dcb_creat].in_map_num_entries = 1;
|
||||||
} else {
|
} else {
|
||||||
*lli_array_ptr = lli_array;
|
*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_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_array = map_array;
|
||||||
sep->dma_res_arr[sep->nr_dcb_creat].out_map_num_entries = 1;
|
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,
|
result = get_user_pages(current, current->mm, app_virt_addr,
|
||||||
num_pages,
|
num_pages,
|
||||||
((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1),
|
((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1),
|
||||||
0, page_array, 0);
|
0, page_array, NULL);
|
||||||
|
|
||||||
up_read(¤t->mm->mmap_sem);
|
up_read(¤t->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);
|
dev_dbg(&sep->pdev->dev, "block_size is %x\n", block_size);
|
||||||
|
|
||||||
/* Initialize the pages pointers */
|
/* 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;
|
sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages = 0;
|
||||||
|
|
||||||
/* Set the kernel address for first table to be allocated */
|
/* 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);
|
sep->dma_res_arr[sep->nr_dcb_creat].in_num_pages);
|
||||||
|
|
||||||
current_entry = 0;
|
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;
|
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,
|
in_lli_table_ptr,
|
||||||
¤t_entry, &num_entries_in_table, table_data_size);
|
¤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 */
|
/* Set the output parameters to physical addresses */
|
||||||
*lli_table_ptr = sep_shared_area_virt_to_bus(sep,
|
*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 */
|
/* Points to the area where next lli table can be allocated */
|
||||||
u32 lli_table_alloc_addr = 0;
|
u32 lli_table_alloc_addr = 0;
|
||||||
/* Input lli table */
|
/* Input lli table */
|
||||||
struct sep_lli_entry *in_lli_table_ptr = 0;
|
struct sep_lli_entry *in_lli_table_ptr = NULL;
|
||||||
/* Output lli table */
|
/* 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 */
|
/* 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 */
|
/* 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 */
|
/* Points to the first entry to be processed in the lli_in_array */
|
||||||
u32 current_in_entry = 0;
|
u32 current_in_entry = 0;
|
||||||
/* Points to the first entry to be processed in the lli_out_array */
|
/* 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);
|
table_data_size);
|
||||||
|
|
||||||
/* If info entry is null - this is the first table built */
|
/* 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 */
|
/* Set the output parameters to physical addresses */
|
||||||
*lli_table_in_ptr =
|
*lli_table_in_ptr =
|
||||||
sep_shared_area_virt_to_bus(sep, in_lli_table_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 */
|
/* 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].out_page_array = 0;
|
sep->dma_res_arr[sep->nr_dcb_creat].out_page_array = NULL;
|
||||||
|
|
||||||
/* Lock the pages of the buffer and translate them to pages */
|
/* Lock the pages of the buffer and translate them to pages */
|
||||||
if (is_kva == true) {
|
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 */
|
/* Size of tail */
|
||||||
u32 tail_size = 0;
|
u32 tail_size = 0;
|
||||||
/* Address of the created DCB table */
|
/* 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 */
|
/* The physical address of the first input DMA table */
|
||||||
dma_addr_t in_first_mlli_address = 0;
|
dma_addr_t in_first_mlli_address = 0;
|
||||||
/* Number of entries in the first input DMA table */
|
/* 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)
|
unsigned long arg)
|
||||||
{
|
{
|
||||||
struct stat_pool_addr_struct command_args;
|
struct stat_pool_addr_struct command_args;
|
||||||
u32 *static_pool_addr = 0;
|
u32 *static_pool_addr = NULL;
|
||||||
unsigned long addr_hold;
|
unsigned long addr_hold;
|
||||||
|
|
||||||
dev_dbg(&sep->pdev->dev, "sep_get_static_pool_addr_handler start\n");
|
dev_dbg(&sep->pdev->dev, "sep_get_static_pool_addr_handler start\n");
|
||||||
|
|
Loading…
Reference in New Issue