[PATCH v5] mailbox: pcc: Add missed acpi_put_table() to fix memory leak

[Zhen Ni <zhen.ni@easystack.cn>]

Fixes a permanent ACPI memory leak in the success path by adding
acpi_put_table().

Fixes: ce028702ddbc ("mailbox: pcc: Move bulk of PCCT parsing into pcc_mbox_probe")
Cc: stable@vger.kernel.org
Signed-off-by: Zhen Ni <zhen.ni@easystack.cn>
---
Changes in v5:
- Discard err label modification
Changes in v4:
- Change goto target from err to put_table.
- Remove goto tatget err_nomem
- Update commit msg
Changes in v3:
- Add goto label err_nomem, keep the err label.
- Update commit msg
Changes in v2:
- Add tags of 'Fixes' and 'Cc'
- Change goto target from out_put_pcct to e_nomem
---
 drivers/mailbox/pcc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c
index f6714c233f5a..70d47f8759eb 100644
--- a/drivers/mailbox/pcc.c
+++ b/drivers/mailbox/pcc.c
@@ -827,8 +827,6 @@ static int pcc_mbox_probe(struct platform_device *pdev)
 	rc = mbox_controller_register(pcc_mbox_ctrl);
 	if (rc)
 		pr_err("Err registering PCC as Mailbox controller: %d\n", rc);
-	else
-		return 0;
 err:
 	acpi_put_table(pcct_tbl);
 	return rc;
-- 
2.20.1