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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:17:19 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:17:19 +0200
commited9e4996d9a123b7550e63713d563f524fa9d9f0 (patch)
treea9be05d357b407aac80118b86f25d21a5dbdfc88 /drivers/acpi/system.c
parent4d2df795f0c3eb91f97a666f47716121a2f166ed (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into tracing/sysproftip-tracing-sysprof-2008-06-16_09.17_Mon
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 769f24855eb6..5bd2dec9a7ac 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,