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authorLinus Torvalds <torvalds@linux-foundation.org>2008-06-11 17:16:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-11 17:16:32 -0700
commitda50ccc6a0f32ad29c1168837330a78e6e2e2923 (patch)
tree26b04cc168e1ad98a308f2771e913f213f46b5ac /drivers/acpi/system.c
parenta4df1ac12dd2d2812713a5fdd56af954d1bc251d (diff)
parent3549dba2c334e82df90f5e00ff85d2a7a2cdd1af (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits) ACPICA: fix stray va_end() caused by mis-merge ACPI: Reject below-freezing temperatures as invalid critical temperatures ACPICA: Fix for access to deleted object <regression> ACPICA: Fix to make _SST method optional ACPICA: Fix for Load operator, load table at the namespace root ACPICA: Ignore ACPI table signature for Load() operator ACPICA: Fix to allow zero-length ASL field declarations ACPI: use memory_read_from_buffer() bay: exit if notify handler cannot be installed dock.c remove trailing printk whitespace proper prototype for acpi_processor_tstate_has_changed() ACPI: handle invalid ACPI SLIT table PNPACPI: use _CRS IRQ descriptor length for _SRS pnpacpi: fix shareable IRQ encode/decode pnpacpi: fix IRQ flag decoding MAINTAINERS: update ACPI homepage ACPI 2.6.26-rc2: Add missing newline to DSDT/SSDT warning message ACPI: EC: Use msleep instead of udelay while waiting for event. thinkpad-acpi: fix LED handling on older ThinkPads thinkpad-acpi: fix initialization error paths ...
Diffstat (limited to 'drivers/acpi/system.c')
-rw-r--r--drivers/acpi/system.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 769f24855eb..5bd2dec9a7a 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -77,7 +77,6 @@ static ssize_t acpi_table_show(struct kobject *kobj,
container_of(bin_attr, struct acpi_table_attr, attr);
struct acpi_table_header *table_header = NULL;
acpi_status status;
- ssize_t ret_count = count;
status =
acpi_get_table(table_attr->name, table_attr->instance,
@@ -85,18 +84,8 @@ static ssize_t acpi_table_show(struct kobject *kobj,
if (ACPI_FAILURE(status))
return -ENODEV;
- if (offset >= table_header->length) {
- ret_count = 0;
- goto end;
- }
-
- if (offset + ret_count > table_header->length)
- ret_count = table_header->length - offset;
-
- memcpy(buf, ((char *)table_header) + offset, ret_count);
-
- end:
- return ret_count;
+ return memory_read_from_buffer(buf, count, &offset,
+ table_header, table_header->length);
}
static void acpi_table_attr_init(struct acpi_table_attr *table_attr,