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staging: dgap: uses kzalloc for allocating memory

Browse Source 
Originally, this driver created it's own allocating
function. This patch removes that function and calls
kzalloc directly.

This patch affects:
 - driver.c
 - driver.h
 - fep5.c
 - tty.c

Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lidza Louina 2013-12-19 21:12:12 -05:00 committed by Greg Kroah-Hartman
parent f0dcc9fa42
commit 0c5b5632d2
4 changed files with 8 additions and 23 deletions
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18
drivers/staging/dgap/dgap_driver.c
View File

@ -506,7 +506,7 @@ static int dgap_found_board(struct pci_dev *pdev, int id)
/* get the board structure and prep it */
brd = dgap_Board[dgap_NumBoards] =
(struct board_t *) dgap_driver_kzmalloc(sizeof(struct board_t), GFP_KERNEL);
(struct board_t *) kzalloc(sizeof(struct board_t), GFP_KERNEL);
if (!brd) {
APR(("memory allocation for board structure failed\n"));
return(-ENOMEM);
@ -514,7 +514,7 @@ static int dgap_found_board(struct pci_dev *pdev, int id)
/* make a temporary message buffer for the boot messages */
brd->msgbuf = brd->msgbuf_head =
(char *) dgap_driver_kzmalloc(sizeof(char) * 8192, GFP_KERNEL);
(char *) kzalloc(sizeof(char) * 8192, GFP_KERNEL);
if(!brd->msgbuf) {
kfree(brd);
APR(("memory allocation for board msgbuf failed\n"));
@ -924,20 +924,6 @@ static void dgap_init_globals(void)
************************************************************************/
/*
* dgap_driver_kzmalloc()
*
* Malloc and clear memory,
*/
void *dgap_driver_kzmalloc(size_t size, int priority)
{
void *p = kmalloc(size, priority);
if(p)
memset(p, 0, size);
return(p);
}
/*
* dgap_mbuf()
*

1
drivers/staging/dgap/dgap_driver.h
View File

@ -578,7 +578,6 @@ struct channel_t {
*************************************************************************/
extern int dgap_ms_sleep(ulong ms);
extern void *dgap_driver_kzmalloc(size_t size, int priority);
extern char *dgap_ioctl_name(int cmd);
extern void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len);
extern void dgap_do_fep_load(struct board_t *brd, uchar __user *ufep, int len);

6
drivers/staging/dgap/dgap_fep5.c
View File

@ -75,7 +75,7 @@ void dgap_do_config_load(uchar __user *uaddr, int len)
char buf[U2BSIZE];
int n;
to_addr = dgap_config_buf = dgap_driver_kzmalloc(len + 1, GFP_ATOMIC);
to_addr = dgap_config_buf = kzalloc(len + 1, GFP_ATOMIC);
if (!dgap_config_buf) {
DPR_INIT(("dgap_do_config_load - unable to allocate memory for file\n"));
dgap_driver_state = DRIVER_NEED_CONFIG_LOAD;
@ -130,8 +130,8 @@ int dgap_after_config_loaded(void)
/*
* allocate flip buffer for board.
*/
dgap_Board[i]->flipbuf = dgap_driver_kzmalloc(MYFLIPLEN, GFP_ATOMIC);
dgap_Board[i]->flipflagbuf = dgap_driver_kzmalloc(MYFLIPLEN, GFP_ATOMIC);
dgap_Board[i]->flipbuf = kzalloc(MYFLIPLEN, GFP_ATOMIC);
dgap_Board[i]->flipflagbuf = kzalloc(MYFLIPLEN, GFP_ATOMIC);
}
return rc;

6
drivers/staging/dgap/dgap_tty.c
View File

@ -233,7 +233,7 @@ int dgap_tty_register(struct board_t *brd)
brd->SerialDriver->flags = (TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_HARDWARE_BREAK);
/* The kernel wants space to store pointers to tty_structs */
brd->SerialDriver->ttys = dgap_driver_kzmalloc(MAXPORTS * sizeof(struct tty_struct *), GFP_KERNEL);
brd->SerialDriver->ttys = kzalloc(MAXPORTS * sizeof(struct tty_struct *), GFP_KERNEL);
if (!brd->SerialDriver->ttys)
return(-ENOMEM);
@ -266,7 +266,7 @@ int dgap_tty_register(struct board_t *brd)
brd->PrintDriver->flags = (TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_HARDWARE_BREAK);
/* The kernel wants space to store pointers to tty_structs */
brd->PrintDriver->ttys = dgap_driver_kzmalloc(MAXPORTS * sizeof(struct tty_struct *), GFP_KERNEL);
brd->PrintDriver->ttys = kzalloc(MAXPORTS * sizeof(struct tty_struct *), GFP_KERNEL);
if (!brd->PrintDriver->ttys)
return(-ENOMEM);
@ -380,7 +380,7 @@ int dgap_tty_init(struct board_t *brd)
*/
for (i = 0; i < brd->nasync; i++) {
if (!brd->channels[i]) {
brd->channels[i] = dgap_driver_kzmalloc(sizeof(struct channel_t), GFP_ATOMIC);
brd->channels[i] = kzalloc(sizeof(struct channel_t), GFP_ATOMIC);
if (!brd->channels[i]) {
DPR_CORE(("%s:%d Unable to allocate memory for channel struct\n",
__FILE__, __LINE__));