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* [PATCH] amd-xgbe: fix potential memory leak in xgbe-debugfs
@ 2015-09-30 10:48 Geliang Tang
  2015-09-30 14:06 ` Tom Lendacky
  2015-10-05 10:06 ` David Miller
  0 siblings, 2 replies; 3+ messages in thread
From: Geliang Tang @ 2015-09-30 10:48 UTC (permalink / raw)
  To: Tom Lendacky; +Cc: Geliang Tang, netdev, linux-kernel

Added kfree() to avoid the memory leak when debugfs_create_dir() fails.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
index 2c063b6..66137ff 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
@@ -330,6 +330,7 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata)
 	pdata->xgbe_debugfs = debugfs_create_dir(buf, NULL);
 	if (!pdata->xgbe_debugfs) {
 		netdev_err(pdata->netdev, "debugfs_create_dir failed\n");
+		kfree(buf);
 		return;
 	}
 
-- 
1.9.1

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

* Re: [PATCH] amd-xgbe: fix potential memory leak in xgbe-debugfs
  2015-09-30 10:48 [PATCH] amd-xgbe: fix potential memory leak in xgbe-debugfs Geliang Tang
@ 2015-09-30 14:06 ` Tom Lendacky
  2015-10-05 10:06 ` David Miller
  1 sibling, 0 replies; 3+ messages in thread
From: Tom Lendacky @ 2015-09-30 14:06 UTC (permalink / raw)
  To: Geliang Tang; +Cc: netdev, linux-kernel

On 09/30/2015 05:48 AM, Geliang Tang wrote:
> Added kfree() to avoid the memory leak when debugfs_create_dir() fails.
>
> Signed-off-by: Geliang Tang <geliangtang@163.com>

Acked-by: Tom Lendacky <thomas.lendacky@amd.com>

> ---
>   drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
> index 2c063b6..66137ff 100644
> --- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
> +++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c
> @@ -330,6 +330,7 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata)
>   	pdata->xgbe_debugfs = debugfs_create_dir(buf, NULL);
>   	if (!pdata->xgbe_debugfs) {
>   		netdev_err(pdata->netdev, "debugfs_create_dir failed\n");
> +		kfree(buf);
>   		return;
>   	}
>
>

Looking at the code, I should also check for buf being NULL before
calling debugfs_create_dir. I'll work up a patch for that and send
it in.

Thanks,
Tom

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

* Re: [PATCH] amd-xgbe: fix potential memory leak in xgbe-debugfs
  2015-09-30 10:48 [PATCH] amd-xgbe: fix potential memory leak in xgbe-debugfs Geliang Tang
  2015-09-30 14:06 ` Tom Lendacky
@ 2015-10-05 10:06 ` David Miller
  1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2015-10-05 10:06 UTC (permalink / raw)
  To: geliangtang; +Cc: thomas.lendacky, netdev, linux-kernel

From: Geliang Tang <geliangtang@163.com>
Date: Wed, 30 Sep 2015 03:48:50 -0700

> Added kfree() to avoid the memory leak when debugfs_create_dir() fails.
> 
> Signed-off-by: Geliang Tang <geliangtang@163.com>

Applied, thanks.

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

end of thread, other threads:[~2015-10-05 10:06 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2015-09-30 10:48 [PATCH] amd-xgbe: fix potential memory leak in xgbe-debugfs Geliang Tang
2015-09-30 14:06 ` Tom Lendacky
2015-10-05 10:06 ` David Miller

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