Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
---
drivers/firewire/fw-ohci.c | 24 +++++++++++++++---------
1 file changed, 15 insertions(+), 9 deletions(-)
Index: linux/drivers/firewire/fw-ohci.c
===================================================================
--- linux.orig/drivers/firewire/fw-ohci.c
+++ linux/drivers/firewire/fw-ohci.c
@@ -907,6 +907,8 @@ static void bus_reset_tasklet(unsigned l
int self_id_count, i, j, reg;
int generation, new_generation;
unsigned long flags;
+ void *free_rom = NULL;
+ dma_addr_t free_rom_bus = 0;
reg = reg_read(ohci, OHCI1394_NodeID);
if (!(reg & OHCI1394_NodeID_idValid)) {
@@ -970,10 +972,10 @@ static void bus_reset_tasklet(unsigned l
*/
if (ohci->next_config_rom != NULL) {
- if (ohci->next_config_rom != ohci->config_rom)
- dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
- ohci->config_rom,
- ohci->config_rom_bus);
+ if (ohci->next_config_rom != ohci->config_rom) {
+ free_rom = ohci->config_rom;
+ free_rom_bus = ohci->config_rom_bus;
+ }
ohci->config_rom = ohci->next_config_rom;
ohci->config_rom_bus = ohci->next_config_rom_bus;
ohci->next_config_rom = NULL;
@@ -992,6 +994,10 @@ static void bus_reset_tasklet(unsigned l
spin_unlock_irqrestore(&ohci->lock, flags);
+ if (free_rom)
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ free_rom, free_rom_bus);
+
fw_core_handle_bus_reset(&ohci->card, ohci->node_id, generation,
self_id_count, ohci->self_id_buffer);
}
@@ -1199,7 +1205,7 @@ ohci_set_config_rom(struct fw_card *card
{
struct fw_ohci *ohci;
unsigned long flags;
- int retval = 0;
+ int retval = -EBUSY;
__be32 *next_config_rom;
dma_addr_t next_config_rom_bus;
@@ -1253,10 +1259,7 @@ ohci_set_config_rom(struct fw_card *card
reg_write(ohci, OHCI1394_ConfigROMmap,
ohci->next_config_rom_bus);
- } else {
- dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
- next_config_rom, next_config_rom_bus);
- retval = -EBUSY;
+ retval = 0;
}
spin_unlock_irqrestore(&ohci->lock, flags);
@@ -1270,6 +1273,9 @@ ohci_set_config_rom(struct fw_card *card
*/
if (retval == 0)
fw_core_initiate_bus_reset(&ohci->card, 1);
+ else
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ next_config_rom, next_config_rom_bus);
return retval;
}
--
Stefan Richter
-=====-=-=== -=== ==--=
http://arcgraph.de/sr/
-
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