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authorRafael J. Wysocki2014-01-05 22:57:25 +0100
committerRafael J. Wysocki2014-01-05 22:57:25 +0100
commitc8d150761ca6d1266cbcdc1a64529759b5b6068e (patch)
treef850aa5b9d02e4581ada37685d1cec648d8832e0
parent50a2bc5429f07ec4d53df2d287b03bdbceb281bb (diff)
parentdf45c712d1f4ef37714245fb75de726f4ca2bf8d (diff)
Merge branches 'acpi-ac' and 'acpi-tpm'
* acpi-ac: ACPI / AC: change notification handler type to ACPI_ALL_NOTIFY * acpi-tpm: ACPI / TPM: fix memory leak when walking ACPI namespace
-rw-r--r--drivers/char/tpm/tpm_ppi.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index 8e562dc65601..e1f3337a0cf9 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -27,15 +27,18 @@ static char *tpm_device_name = "TPM";
static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context,
void **return_value)
{
- acpi_status status;
+ acpi_status status = AE_OK;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
- if (strstr(buffer.pointer, context) != NULL) {
- *return_value = handle;
+
+ if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) {
+ if (strstr(buffer.pointer, context) != NULL) {
+ *return_value = handle;
+ status = AE_CTRL_TERMINATE;
+ }
kfree(buffer.pointer);
- return AE_CTRL_TERMINATE;
}
- return AE_OK;
+
+ return status;
}
static inline void ppi_assign_params(union acpi_object params[4],