ChangeSet 1.1143, 2003/05/02 11:35:34-07:00, greg@kroah.com
[PATCH] IBM PCI Hotplug: fix up a lot of memory allocations and leaks just to figure out a slot name.
drivers/hotplug/ibmphp_ebda.c | 84 +++---------------------------------------
1 files changed, 6 insertions(+), 78 deletions(-)
diff -Nru a/drivers/hotplug/ibmphp_ebda.c b/drivers/hotplug/ibmphp_ebda.c
--- a/drivers/hotplug/ibmphp_ebda.c Fri May 2 11:39:04 2003
+++ b/drivers/hotplug/ibmphp_ebda.c Fri May 2 11:39:04 2003
@@ -65,8 +65,6 @@
static LIST_HEAD (opt_lo_head);
static void *io_mem;
-char *chassis_str, *rxe_str, *str;
-
/* Local functions */
static int ebda_rsrc_controller (void);
static int ebda_rsrc_rsrc (void);
@@ -591,39 +589,6 @@
return 0;
}
-static char *convert_2digits_to_char (int var)
-{
- int bit;
- char *str1;
-
- str = (char *) kmalloc (3, GFP_KERNEL);
- if (!str)
- return NULL;
- memset (str, 0, 3);
- bit = (int)(var / 10);
- switch (bit) {
- case 0:
- //one digit number
- *str = (char)(var + 48);
- return str;
- default:
- //2 digits number
- str1 = (char *) kmalloc (2, GFP_KERNEL);
- if (!str1) {
- break;
- }
- memset (str, 0, 3);
- *str1 = (char)(bit + 48);
- strncpy (str, str1, 1);
- memset (str1, 0, 3);
- *str1 = (char)((var % 10) + 48);
- strcat (str, str1);
- kfree(str1);
- return str;
- }
- kfree(str);
- return NULL;
-}
/* Since we don't know the max slot number per each chassis, hence go
* through the list of all chassis to find out the range
@@ -708,7 +673,7 @@
{
struct opt_rio *opt_vg_ptr = NULL;
struct opt_rio_lo *opt_lo_ptr = NULL;
- char *ptr_chassis_num, *ptr_rxe_num, *ptr_slot_num;
+ static char str[30];
int which = 0; /* rxe = 1, chassis = 0 */
u8 number = 1; /* either chassis or rxe # */
u8 first_slot = 1;
@@ -722,19 +687,7 @@
slot_num = slot_cur->number;
- chassis_str = (char *) kmalloc (30, GFP_KERNEL);
- memset (chassis_str, 0, 30);
- rxe_str = (char *) kmalloc (30, GFP_KERNEL);
- memset (rxe_str, 0, 30);
- ptr_chassis_num = (char *) kmalloc (3, GFP_KERNEL);
- memset (ptr_chassis_num, 0, 3);
- ptr_rxe_num = (char *) kmalloc (3, GFP_KERNEL);
- memset (ptr_rxe_num, 0, 3);
- ptr_slot_num = (char *) kmalloc (3, GFP_KERNEL);
- memset (ptr_slot_num, 0, 3);
-
- strcpy (chassis_str, "chassis");
- strcpy (rxe_str, "rxe");
+ memset (str, 0, sizeof(str));
if (rio_table_ptr) {
if (rio_table_ptr->ver_num == 3) {
@@ -779,31 +732,10 @@
}
}
- switch (which) {
- case 0:
- /* Chassis */
- *ptr_chassis_num = (char)(number + 48);
- strcat (chassis_str, ptr_chassis_num);
- kfree (ptr_chassis_num);
- strcat (chassis_str, "slot");
- ptr_slot_num = convert_2digits_to_char (slot_num - first_slot + 1);
- strcat (chassis_str, ptr_slot_num);
- kfree (ptr_slot_num);
- return chassis_str;
- break;
- case 1:
- /* RXE */
- *ptr_rxe_num = (char)(number + 48);
- strcat (rxe_str, ptr_rxe_num);
- kfree (ptr_rxe_num);
- strcat (rxe_str, "slot");
- ptr_slot_num = convert_2digits_to_char (slot_num - first_slot + 1);
- strcat (rxe_str, ptr_slot_num);
- kfree (ptr_slot_num);
- return rxe_str;
- break;
- }
- return NULL;
+ sprintf(str, "%s%dslot%d",
+ which == 0 ? "chassis" : "rxe",
+ number, slot_num - first_slot + 1);
+ return str;
}
static struct pci_driver ibmphp_driver;
@@ -1079,10 +1011,6 @@
slot_cur = list_entry (list, struct slot, ibm_slot_list);
snprintf (slot_cur->hotplug_slot->name, 30, "%s", create_file_name (slot_cur));
- if (chassis_str)
- kfree (chassis_str);
- if (rxe_str)
- kfree (rxe_str);
pci_hp_register (slot_cur->hotplug_slot);
}
-
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This archive was generated by hypermail 2b29 : Wed May 07 2003 - 22:00:17 EST