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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /drivers/acpi/resource.c
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'drivers/acpi/resource.c')
-rw-r--r--drivers/acpi/resource.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index b7201fc6f1e..0bdacc5e26a 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -77,18 +77,24 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
switch (ares->type) {
case ACPI_RESOURCE_TYPE_MEMORY24:
memory24 = &ares->data.memory24;
+ if (!memory24->address_length)
+ return false;
acpi_dev_get_memresource(res, memory24->minimum,
memory24->address_length,
memory24->write_protect);
break;
case ACPI_RESOURCE_TYPE_MEMORY32:
memory32 = &ares->data.memory32;
+ if (!memory32->address_length)
+ return false;
acpi_dev_get_memresource(res, memory32->minimum,
memory32->address_length,
memory32->write_protect);
break;
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
fixed_memory32 = &ares->data.fixed_memory32;
+ if (!fixed_memory32->address_length)
+ return false;
acpi_dev_get_memresource(res, fixed_memory32->address,
fixed_memory32->address_length,
fixed_memory32->write_protect);
@@ -144,12 +150,16 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
switch (ares->type) {
case ACPI_RESOURCE_TYPE_IO:
io = &ares->data.io;
+ if (!io->address_length)
+ return false;
acpi_dev_get_ioresource(res, io->minimum,
io->address_length,
io->io_decode);
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
fixed_io = &ares->data.fixed_io;
+ if (!fixed_io->address_length)
+ return false;
acpi_dev_get_ioresource(res, fixed_io->address,
fixed_io->address_length,
ACPI_DECODE_10);