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| author |   Hoan Tran <hotran@apm.com> | 2016-10-14 16:20:21 -0700 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-10-17 14:26:49 +0200 |
| commit | d0679cfaf54c9e42e3ba4f8d5e67969932040d16 (patch) | |
| tree | c8d54a14533d9542874726d2716a359cbfd2ee96 /include/acpi/pcc.h | |
| parent | ACPI / CPPC: Support PCC with interrupt flag (diff) | |
| download | wireguard-linux-d0679cfaf54c9e42e3ba4f8d5e67969932040d16.tar.xz wireguard-linux-d0679cfaf54c9e42e3ba4f8d5e67969932040d16.zip | |
mailbox: PCC: Fix return value of pcc_mbox_request_channel()
When CONFIG_PCC is disabled, pcc_mbox_request_channel() needs to
return ERR_PTR(-ENODEV), not a NULL pointer, as the callers of
this function use IS_ERR() to check for error code.
Signed-off-by: Duc Dang <dhdang@apm.com>
Signed-off-by: Hoan Tran <hotran@apm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi/pcc.h')
| -rw-r--r-- | include/acpi/pcc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h index 17a940a14477..8caa79c61703 100644 --- a/include/acpi/pcc.h +++ b/include/acpi/pcc.h @@ -21,7 +21,7 @@ extern void pcc_mbox_free_channel(struct mbox_chan *chan); static inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl, int subspace_id) { - return NULL; + return ERR_PTR(-ENODEV); } static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { } #endif |