* [PATCH] ptp_pch: fix error handling in pch_probe()
@ 2013-05-23 9:59 Wei Yongjun
2013-05-26 4:24 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2013-05-23 9:59 UTC (permalink / raw)
To: richardcochran; +Cc: yongjun_wei, netdev
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Fix to release resources when ptp_clock_register() fail instead
of return error code directly.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/ptp/ptp_pch.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c
index bea9451..71a2559 100644
--- a/drivers/ptp/ptp_pch.c
+++ b/drivers/ptp/ptp_pch.c
@@ -628,9 +628,10 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id)
chip->caps = ptp_pch_caps;
chip->ptp_clock = ptp_clock_register(&chip->caps, &pdev->dev);
-
- if (IS_ERR(chip->ptp_clock))
- return PTR_ERR(chip->ptp_clock);
+ if (IS_ERR(chip->ptp_clock)) {
+ ret = PTR_ERR(chip->ptp_clock);
+ goto err_ptp_clock_reg;
+ }
spin_lock_init(&chip->register_lock);
@@ -669,6 +670,7 @@ pch_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err_req_irq:
ptp_clock_unregister(chip->ptp_clock);
+err_ptp_clock_reg:
iounmap(chip->regs);
chip->regs = NULL;
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2013-05-23 9:59 [PATCH] ptp_pch: fix error handling in pch_probe() Wei Yongjun
2013-05-26 4:24 ` David Miller
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