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Subject[patch 06/11] dasd: Use const in busid functions.
From: Cornelia Huck <cornelia.huck@de.ibm.com>

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>
---

drivers/s390/block/dasd_devmap.c | 10 +++++-----
drivers/s390/block/dasd_int.h | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)

Index: quilt-2.6/drivers/s390/block/dasd_devmap.c
===================================================================
--- quilt-2.6.orig/drivers/s390/block/dasd_devmap.c
+++ quilt-2.6/drivers/s390/block/dasd_devmap.c
@@ -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 feature
* 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;
}
Index: quilt-2.6/drivers/s390/block/dasd_int.h
===================================================================
--- quilt-2.6.orig/drivers/s390/block/dasd_int.h
+++ quilt-2.6/drivers/s390/block/dasd_int.h
@@ -598,7 +598,7 @@ struct dasd_device *dasd_device_from_cde
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);
--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.



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