Messages in this thread Patch in this message |  | | From | Hoan Tran <> | Subject | [PATCH] mailbox: PCC: Fix return value of pcc_mbox_request_channel() | Date | Fri, 14 Oct 2016 16:20:21 -0700 |
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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> --- include/acpi/pcc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h index 17a940a..8caa79c 100644 --- a/include/acpi/pcc.h +++ b/include/acpi/pcc.h @@ -21,7 +21,7 @@ extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl, 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 -- 1.9.1
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