diff options
| -rw-r--r-- | drivers/char/agp/amd-k7-agp.c | 2 | ||||
| -rw-r--r-- | drivers/char/agp/ati-agp.c | 3 | ||||
| -rw-r--r-- | drivers/char/agp/hp-agp.c | 1 | ||||
| -rw-r--r-- | drivers/char/agp/i460-agp.c | 4 | ||||
| -rw-r--r-- | drivers/char/agp/intel-agp.c | 14 | ||||
| -rw-r--r-- | drivers/char/agp/nvidia-agp.c | 3 |
6 files changed, 22 insertions, 5 deletions
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index df0ddf14b85c..f60bca70d1fb 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -223,6 +223,8 @@ static int amd_irongate_configure(void) pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp); temp = (temp & PCI_BASE_ADDRESS_MEM_MASK); amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); + if (!amd_irongate_private.registers) + return -ENOMEM; /* Write out the address of the gatt table */ writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE); diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index da7513d7b4e7..2d46b713c8f2 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -213,6 +213,9 @@ static int ati_configure(void) temp = (temp & 0xfffff000); ati_generic_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); + if (!ati_generic_private.registers) + return -ENOMEM; + if (is_r200()) pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000); else diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index bcdb149c8179..313a133a1172 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -221,6 +221,7 @@ hp_zx1_lba_init (u64 hpa) if (cap != PCI_CAP_ID_AGP) { printk(KERN_ERR PFX "Invalid capability ID 0x%02x at 0x%x\n", cap, hp->lba_cap_offset); + iounmap(hp->lba_regs); return -ENODEV; } diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c index 53354bf83af7..75d2aca6353d 100644 --- a/drivers/char/agp/i460-agp.c +++ b/drivers/char/agp/i460-agp.c @@ -249,6 +249,10 @@ static int i460_create_gatt_table (struct agp_bridge_data *bridge) num_entries = A_SIZE_8(temp)->num_entries; i460.gatt = ioremap(INTEL_I460_ATTBASE, PAGE_SIZE << page_order); + if (!i460.gatt) { + printk(KERN_ERR PFX "ioremap failed\n"); + return -ENOMEM; + } /* These are no good, the should be removed from the agp_bridge strucure... */ agp_bridge->gatt_table_real = NULL; diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 294cdbf4d44d..2c9ca2c64628 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -930,8 +930,10 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) temp &= 0xfff80000; intel_private.registers = ioremap(temp,128 * 4096); - if (!intel_private.registers) + if (!intel_private.registers) { + iounmap(intel_private.gtt); return -ENOMEM; + } temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; global_cache_flush(); /* FIXME: ? */ @@ -985,13 +987,15 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) temp &= 0xfff00000; intel_private.gtt = ioremap((temp + (512 * 1024)) , 512 * 1024); - if (!intel_private.gtt) - return -ENOMEM; + if (!intel_private.gtt) + return -ENOMEM; intel_private.registers = ioremap(temp,128 * 4096); - if (!intel_private.registers) - return -ENOMEM; + if (!intel_private.registers) { + iounmap(intel_private.gtt); + return -ENOMEM; + } temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; global_cache_flush(); /* FIXME: ? */ diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 6cd7373dcdf4..225ed2a53d45 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -157,6 +157,9 @@ static int nvidia_configure(void) nvidia_private.aperture = (volatile u32 __iomem *) ioremap(apbase, 33 * PAGE_SIZE); + if (!nvidia_private.aperture) + return -ENOMEM; + return 0; } |