diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-01-29 04:33:37 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-01-29 04:33:37 +0400 |
| commit | dfd0436ad0ce139467b124c646fa65ee2635e14a (patch) | |
| tree | abf9d83c704417cdd484243c12aeffee6b185aba /drivers/platform/x86/sony-laptop.c | |
| parent | b9818c3312da66f4b83a4a2e8650628be1237cb5 (diff) | |
| parent | 689dfa894c57842a05bf6dc9f97e6bb71ec5f386 (diff) | |
| download | linux-dfd0436ad0ce139467b124c646fa65ee2635e14a.tar.xz | |
Merge branch 'merge' into next
Merge "merge" branch to bring in various bug fixes that are
going into 3.8
Diffstat (limited to 'drivers/platform/x86/sony-laptop.c')
| -rw-r--r-- | drivers/platform/x86/sony-laptop.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index daaddec68def..b8ad71f7863f 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -786,28 +786,29 @@ static int sony_nc_int_call(acpi_handle handle, char *name, int *value, static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, void *buffer, size_t buflen) { + int ret = 0; size_t len = len; union acpi_object *object = __call_snc_method(handle, name, value); if (!object) return -EINVAL; - if (object->type == ACPI_TYPE_BUFFER) + if (object->type == ACPI_TYPE_BUFFER) { len = MIN(buflen, object->buffer.length); + memcpy(buffer, object->buffer.pointer, len); - else if (object->type == ACPI_TYPE_INTEGER) + } else if (object->type == ACPI_TYPE_INTEGER) { len = MIN(buflen, sizeof(object->integer.value)); + memcpy(buffer, &object->integer.value, len); - else { + } else { pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", ACPI_TYPE_BUFFER, object->type); - kfree(object); - return -EINVAL; + ret = -EINVAL; } - memcpy(buffer, object->buffer.pointer, len); kfree(object); - return 0; + return ret; } struct sony_nc_handles { |