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| author | David S. Miller <davem@davemloft.net> | 2014-01-14 14:37:09 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-14 14:42:42 -0800 |
| commit | 0a379e21c503b2ff66b44d588df9f231e9b0b9ca (patch) | |
| tree | 22b875fcf4b67fcd007726f00c5fc1748ce985d0 /drivers/char/tpm/tpm_ppi.c | |
| parent | a49da8811e71c5355b52c65ee32976741d5834cd (diff) | |
| parent | fdc3452cd2c7b2bfe0f378f92123f4f9a98fa2bd (diff) | |
| download | linux-stable-0a379e21c503b2ff66b44d588df9f231e9b0b9ca.tar.gz linux-stable-0a379e21c503b2ff66b44d588df9f231e9b0b9ca.tar.bz2 linux-stable-0a379e21c503b2ff66b44d588df9f231e9b0b9ca.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/char/tpm/tpm_ppi.c')
| -rw-r--r-- | drivers/char/tpm/tpm_ppi.c | 15 |
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], |