[S390] dasd: Use const in busid functions.

We should use 'const char *' in the busid functions since the
strings are not modified anyway.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Cornelia Huck 2008-05-15 16:52:34 +02:00 committed by Martin Schwidefsky
parent c7a8548ffa
commit 69f90f6a56
2 changed files with 6 additions and 6 deletions

View File

@ -86,10 +86,10 @@ static DEFINE_SPINLOCK(dasd_devmap_lock);
static struct list_head dasd_hashlists[256];
int dasd_max_devindex;
static struct dasd_devmap *dasd_add_busid(char *, int);
static struct dasd_devmap *dasd_add_busid(const char *, int);
static inline int
dasd_hash_busid(char *bus_id)
dasd_hash_busid(const char *bus_id)
{
int hash, i;
@ -394,7 +394,7 @@ dasd_parse(void)
* devices.
*/
static struct dasd_devmap *
dasd_add_busid(char *bus_id, int features)
dasd_add_busid(const char *bus_id, int features)
{
struct dasd_devmap *devmap, *new, *tmp;
int hash;
@ -430,7 +430,7 @@ dasd_add_busid(char *bus_id, int features)
* Find devmap for device with given bus_id.
*/
static struct dasd_devmap *
dasd_find_busid(char *bus_id)
dasd_find_busid(const char *bus_id)
{
struct dasd_devmap *devmap, *tmp;
int hash;
@ -452,7 +452,7 @@ dasd_find_busid(char *bus_id)
* Check if busid has been added to the list of dasd ranges.
*/
int
dasd_busid_known(char *bus_id)
dasd_busid_known(const char *bus_id)
{
return IS_ERR(dasd_find_busid(bus_id)) ? -ENOENT : 0;
}

View File

@ -598,7 +598,7 @@ struct dasd_device *dasd_device_from_cdev_locked(struct ccw_device *);
struct dasd_device *dasd_device_from_devindex(int);
int dasd_parse(void);
int dasd_busid_known(char *);
int dasd_busid_known(const char *);
/* externals in dasd_gendisk.c */
int dasd_gendisk_init(void);