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authorRoel Kluin <12o3l@tiscali.nl>2008-02-04 22:30:22 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:23 -0800
commit96762379915f0c46bfac566038e66dee3dd0e7b5 (patch)
treea98ff73b9cf778972dd42059e2b886582c556e9f
parent0a8320b04c0762a1c65b5800b84023b454c2da54 (diff)
m68k: Balance ioremap and iounmap in m68k/atari/hades-pci.c
Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/m68k/atari/hades-pci.c54
1 files changed, 26 insertions, 28 deletions
diff --git a/arch/m68k/atari/hades-pci.c b/arch/m68k/atari/hades-pci.c
index bee2b1443e3..2bbabc00870 100644
--- a/arch/m68k/atari/hades-pci.c
+++ b/arch/m68k/atari/hades-pci.c
@@ -376,8 +376,8 @@ struct pci_bus_info * __init init_hades_pci(void)
*/
bus = kzalloc(sizeof(struct pci_bus_info), GFP_KERNEL);
- if (!bus)
- return NULL;
+ if (unlikely(!bus))
+ goto iounmap_base_virt;
/*
* Claim resources. The m68k has no separate I/O space, both
@@ -385,43 +385,25 @@ struct pci_bus_info * __init init_hades_pci(void)
* the I/O resources are requested in memory space as well.
*/
- if (request_resource(&iomem_resource, &config_space) != 0)
- {
- kfree(bus);
- return NULL;
- }
+ if (unlikely(request_resource(&iomem_resource, &config_space) != 0))
+ goto free_bus;
- if (request_resource(&iomem_resource, &io_space) != 0)
- {
- release_resource(&config_space);
- kfree(bus);
- return NULL;
- }
+ if (unlikely(request_resource(&iomem_resource, &io_space) != 0))
+ goto release_config_space;
bus->mem_space.start = HADES_MEM_BASE;
bus->mem_space.end = HADES_MEM_BASE + HADES_MEM_SIZE - 1;
bus->mem_space.name = pci_mem_name;
#if 1
- if (request_resource(&iomem_resource, &bus->mem_space) != 0)
- {
- release_resource(&io_space);
- release_resource(&config_space);
- kfree(bus);
- return NULL;
- }
+ if (unlikely(request_resource(&iomem_resource, &bus->mem_space) != 0))
+ goto release_io_space;
#endif
bus->io_space.start = pci_io_base_virt;
bus->io_space.end = pci_io_base_virt + HADES_VIRT_IO_SIZE - 1;
bus->io_space.name = pci_io_name;
#if 1
- if (request_resource(&ioport_resource, &bus->io_space) != 0)
- {
- release_resource(&bus->mem_space);
- release_resource(&io_space);
- release_resource(&config_space);
- kfree(bus);
- return NULL;
- }
+ if (unlikely(request_resource(&ioport_resource, &bus->io_space) != 0))
+ goto release_bus_mem_space;
#endif
/*
* Set hardware dependent functions.
@@ -438,5 +420,21 @@ struct pci_bus_info * __init init_hades_pci(void)
tt_mfp.active_edge &= ~0x27;
return bus;
+
+release_bus_mem_space:
+ release_resource(&bus->mem_space);
+release_io_space:
+ release_resource(&io_space);
+release_config_space:
+ release_resource(&config_space);
+free_bus:
+ kfree(bus);
+iounmap_base_virt:
+ iounmap((void *)pci_io_base_virt);
+
+ for (i = 0; i < N_SLOTS; i++)
+ iounmap((void *)pci_conf_base_virt[i]);
+
+ return NULL;
}
#endif