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* [PATCH net-next] stmmac: intel: unlock on error path in intel_crosststamp()
@ 2021-04-21 13:22 Dan Carpenter
  2021-04-21 15:47 ` Wong Vee Khee
  2021-04-21 17:30 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Dan Carpenter @ 2021-04-21 13:22 UTC (permalink / raw)
  To: Giuseppe Cavallaro, Tan Tee Min
  Cc: Alexandre Torgue, Jose Abreu, David S. Miller, Jakub Kicinski,
	Maxime Coquelin, Wong Vee Khee, Richard Cochran, netdev,
	linux-stm32, kernel-janitors

We recently added some new locking to this function but one error path
was overlooked.  We need to drop the lock before returning.

Fixes: f4da56529da6 ("net: stmmac: Add support for external trigger timestamping")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index ec140fc4a0f5..bd662aaf664a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -320,6 +320,7 @@ static int intel_crosststamp(ktime_t *device,
 		acr_value |= PTP_ACR_ATSEN3;
 		break;
 	default:
+		mutex_unlock(&priv->aux_ts_lock);
 		return -EINVAL;
 	}
 	writel(acr_value, ptpaddr + PTP_ACR);
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next] stmmac: intel: unlock on error path in intel_crosststamp()
  2021-04-21 13:22 [PATCH net-next] stmmac: intel: unlock on error path in intel_crosststamp() Dan Carpenter
@ 2021-04-21 15:47 ` Wong Vee Khee
  2021-04-21 17:30 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: Wong Vee Khee @ 2021-04-21 15:47 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Giuseppe Cavallaro, Tan Tee Min, Alexandre Torgue, Jose Abreu,
	David S. Miller, Jakub Kicinski, Maxime Coquelin, Richard Cochran,
	netdev, linux-stm32, kernel-janitors

On Wed, Apr 21, 2021 at 04:22:50PM +0300, Dan Carpenter wrote:
> We recently added some new locking to this function but one error path
> was overlooked.  We need to drop the lock before returning.
> 
> Fixes: f4da56529da6 ("net: stmmac: Add support for external trigger timestamping")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Reviewed-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next] stmmac: intel: unlock on error path in intel_crosststamp()
  2021-04-21 13:22 [PATCH net-next] stmmac: intel: unlock on error path in intel_crosststamp() Dan Carpenter
  2021-04-21 15:47 ` Wong Vee Khee
@ 2021-04-21 17:30 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-04-21 17:30 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: peppe.cavallaro, tee.min.tan, alexandre.torgue, joabreu, davem,
	kuba, mcoquelin.stm32, vee.khee.wong, richardcochran, netdev,
	linux-stm32, kernel-janitors

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Wed, 21 Apr 2021 16:22:50 +0300 you wrote:
> We recently added some new locking to this function but one error path
> was overlooked.  We need to drop the lock before returning.
> 
> Fixes: f4da56529da6 ("net: stmmac: Add support for external trigger timestamping")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
>  1 file changed, 1 insertion(+)

Here is the summary with links:
  - [net-next] stmmac: intel: unlock on error path in intel_crosststamp()
    https://git.kernel.org/netdev/net-next/c/53e35ebb9a17

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 3+ messages in thread

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2021-04-21 13:22 [PATCH net-next] stmmac: intel: unlock on error path in intel_crosststamp() Dan Carpenter
2021-04-21 15:47 ` Wong Vee Khee
2021-04-21 17:30 ` patchwork-bot+netdevbpf

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