* [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
@ 2012-10-28 16:12 ` Peter Senna Tschudin
0 siblings, 0 replies; 12+ messages in thread
From: Peter Senna Tschudin @ 2012-10-28 16:12 UTC (permalink / raw)
To: davem
Cc: stigge, edumazet, djduanjiong, aletes.xgr, netdev, linux-kernel,
kernel-janitors, Peter Senna Tschudin
Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
This problem is somewhat mystifying. If the patch is correct, there were
probably many OOPSese caused by not calling mdiobus_unregister...
Reporting anyway...
drivers/net/ethernet/nxp/lpc_eth.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
index 53743f7..af8b414 100644
--- a/drivers/net/ethernet/nxp/lpc_eth.c
+++ b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
pldat->dma_buff_base_p);
free_irq(ndev->irq, ndev);
iounmap(pldat->net_base);
+ mdiobus_unregister(pldat->mii_bus);
mdiobus_free(pldat->mii_bus);
clk_disable(pldat->clk);
clk_put(pldat->clk);
--
1.7.11.7
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
@ 2012-10-28 16:12 ` Peter Senna Tschudin
0 siblings, 0 replies; 12+ messages in thread
From: Peter Senna Tschudin @ 2012-10-28 16:12 UTC (permalink / raw)
To: davem
Cc: stigge, edumazet, djduanjiong, aletes.xgr, netdev, linux-kernel,
kernel-janitors, Peter Senna Tschudin
Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
This problem is somewhat mystifying. If the patch is correct, there were
probably many OOPSese caused by not calling mdiobus_unregister...
Reporting anyway...
drivers/net/ethernet/nxp/lpc_eth.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
index 53743f7..af8b414 100644
--- a/drivers/net/ethernet/nxp/lpc_eth.c
+++ b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
pldat->dma_buff_base_p);
free_irq(ndev->irq, ndev);
iounmap(pldat->net_base);
+ mdiobus_unregister(pldat->mii_bus);
mdiobus_free(pldat->mii_bus);
clk_disable(pldat->clk);
clk_put(pldat->clk);
--
1.7.11.7
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
2012-10-28 16:12 ` Peter Senna Tschudin
@ 2012-10-28 16:12 ` Peter Senna Tschudin
-1 siblings, 0 replies; 12+ messages in thread
From: Peter Senna Tschudin @ 2012-10-28 16:12 UTC (permalink / raw)
To: davem
Cc: srinivas.kandagatla, peter.senna, netdev, linux-kernel, kernel-janitors
Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
This problem is somewhat mystifying. If the patch is correct, there were
probably many OOPSese caused by not calling mdiobus_unregister...
Reporting anyway...
drivers/net/phy/mdio-bitbang.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index daec9b0..6428fcb 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus)
struct mdiobb_ctrl *ctrl = bus->priv;
module_put(ctrl->ops->owner);
+ mdiobus_unregister(bus);
mdiobus_free(bus);
}
EXPORT_SYMBOL(free_mdio_bitbang);
--
1.7.11.7
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
@ 2012-10-28 16:12 ` Peter Senna Tschudin
0 siblings, 0 replies; 12+ messages in thread
From: Peter Senna Tschudin @ 2012-10-28 16:12 UTC (permalink / raw)
To: davem
Cc: srinivas.kandagatla, peter.senna, netdev, linux-kernel, kernel-janitors
Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
This problem is somewhat mystifying. If the patch is correct, there were
probably many OOPSese caused by not calling mdiobus_unregister...
Reporting anyway...
drivers/net/phy/mdio-bitbang.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index daec9b0..6428fcb 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus)
struct mdiobb_ctrl *ctrl = bus->priv;
module_put(ctrl->ops->owner);
+ mdiobus_unregister(bus);
mdiobus_free(bus);
}
EXPORT_SYMBOL(free_mdio_bitbang);
--
1.7.11.7
^ permalink raw reply related [flat|nested] 12+ messages in thread
* Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
2012-10-28 16:12 ` Peter Senna Tschudin
@ 2012-10-28 17:44 ` Roland Stigge
-1 siblings, 0 replies; 12+ messages in thread
From: Roland Stigge @ 2012-10-28 17:44 UTC (permalink / raw)
To: Peter Senna Tschudin
Cc: davem, edumazet, djduanjiong, aletes.xgr, netdev, linux-kernel,
kernel-janitors
On 28/10/12 17:12, Peter Senna Tschudin wrote:
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Tested-by: Roland Stigge <stigge@antcom.de>
Thanks for the patch!
Roland
> ---
> This problem is somewhat mystifying. If the patch is correct, there were
> probably many OOPSese caused by not calling mdiobus_unregister...
> Reporting anyway...
>
> drivers/net/ethernet/nxp/lpc_eth.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
> index 53743f7..af8b414 100644
> --- a/drivers/net/ethernet/nxp/lpc_eth.c
> +++ b/drivers/net/ethernet/nxp/lpc_eth.c
> @@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
> pldat->dma_buff_base_p);
> free_irq(ndev->irq, ndev);
> iounmap(pldat->net_base);
> + mdiobus_unregister(pldat->mii_bus);
> mdiobus_free(pldat->mii_bus);
> clk_disable(pldat->clk);
> clk_put(pldat->clk);
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
@ 2012-10-28 17:44 ` Roland Stigge
0 siblings, 0 replies; 12+ messages in thread
From: Roland Stigge @ 2012-10-28 17:44 UTC (permalink / raw)
To: Peter Senna Tschudin
Cc: davem, edumazet, djduanjiong, aletes.xgr, netdev, linux-kernel,
kernel-janitors
On 28/10/12 17:12, Peter Senna Tschudin wrote:
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Tested-by: Roland Stigge <stigge@antcom.de>
Thanks for the patch!
Roland
> ---
> This problem is somewhat mystifying. If the patch is correct, there were
> probably many OOPSese caused by not calling mdiobus_unregister...
> Reporting anyway...
>
> drivers/net/ethernet/nxp/lpc_eth.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
> index 53743f7..af8b414 100644
> --- a/drivers/net/ethernet/nxp/lpc_eth.c
> +++ b/drivers/net/ethernet/nxp/lpc_eth.c
> @@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
> pldat->dma_buff_base_p);
> free_irq(ndev->irq, ndev);
> iounmap(pldat->net_base);
> + mdiobus_unregister(pldat->mii_bus);
> mdiobus_free(pldat->mii_bus);
> clk_disable(pldat->clk);
> clk_put(pldat->clk);
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
2012-10-28 16:12 ` Peter Senna Tschudin
@ 2012-10-29 11:58 ` Alexandre Pereira da Silva
-1 siblings, 0 replies; 12+ messages in thread
From: Alexandre Pereira da Silva @ 2012-10-29 11:58 UTC (permalink / raw)
To: Peter Senna Tschudin
Cc: davem, stigge, edumazet, djduanjiong, netdev, linux-kernel,
kernel-janitors
On Sun, Oct 28, 2012 at 2:12 PM, Peter Senna Tschudin
<peter.senna@gmail.com> wrote:
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
> ---
Tested-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
@ 2012-10-29 11:58 ` Alexandre Pereira da Silva
0 siblings, 0 replies; 12+ messages in thread
From: Alexandre Pereira da Silva @ 2012-10-29 11:58 UTC (permalink / raw)
To: Peter Senna Tschudin
Cc: davem, stigge, edumazet, djduanjiong, netdev, linux-kernel,
kernel-janitors
On Sun, Oct 28, 2012 at 2:12 PM, Peter Senna Tschudin
<peter.senna@gmail.com> wrote:
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
> ---
Tested-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
2012-10-28 16:12 ` Peter Senna Tschudin
@ 2012-11-03 1:36 ` David Miller
-1 siblings, 0 replies; 12+ messages in thread
From: David Miller @ 2012-11-03 1:36 UTC (permalink / raw)
To: peter.senna
Cc: stigge, edumazet, djduanjiong, aletes.xgr, netdev, linux-kernel,
kernel-janitors
From: Peter Senna Tschudin <peter.senna@gmail.com>
Date: Sun, 28 Oct 2012 17:12:00 +0100
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Applied.
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
@ 2012-11-03 1:36 ` David Miller
0 siblings, 0 replies; 12+ messages in thread
From: David Miller @ 2012-11-03 1:36 UTC (permalink / raw)
To: peter.senna
Cc: stigge, edumazet, djduanjiong, aletes.xgr, netdev, linux-kernel,
kernel-janitors
From: Peter Senna Tschudin <peter.senna@gmail.com>
Date: Sun, 28 Oct 2012 17:12:00 +0100
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Applied.
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
2012-10-28 16:12 ` Peter Senna Tschudin
@ 2012-11-03 1:36 ` David Miller
-1 siblings, 0 replies; 12+ messages in thread
From: David Miller @ 2012-11-03 1:36 UTC (permalink / raw)
To: peter.senna; +Cc: srinivas.kandagatla, netdev, linux-kernel, kernel-janitors
From: Peter Senna Tschudin <peter.senna@gmail.com>
Date: Sun, 28 Oct 2012 17:12:01 +0100
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Applied.
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
@ 2012-11-03 1:36 ` David Miller
0 siblings, 0 replies; 12+ messages in thread
From: David Miller @ 2012-11-03 1:36 UTC (permalink / raw)
To: peter.senna; +Cc: srinivas.kandagatla, netdev, linux-kernel, kernel-janitors
From: Peter Senna Tschudin <peter.senna@gmail.com>
Date: Sun, 28 Oct 2012 17:12:01 +0100
> Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
>
> Calling mdiobus_free without calling mdiobus_unregister causes
> BUG_ON(). This patch fixes the issue.
>
> The semantic patch that found this issue(http://coccinelle.lip6.fr/):
> // <smpl>
> @@
> expression E;
> @@
> ... when != mdiobus_unregister(E);
>
> + mdiobus_unregister(E);
> mdiobus_free(E);
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Applied.
^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2012-11-03 1:37 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-10-28 16:12 [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free Peter Senna Tschudin
2012-10-28 16:12 ` Peter Senna Tschudin
2012-10-28 16:12 ` [PATCH 2/2] drivers/net/phy/mdio-bitbang.c: " Peter Senna Tschudin
2012-10-28 16:12 ` Peter Senna Tschudin
2012-11-03 1:36 ` David Miller
2012-11-03 1:36 ` David Miller
2012-10-28 17:44 ` [PATCH 1/2] drivers/net/ethernet/nxp/lpc_eth.c: " Roland Stigge
2012-10-28 17:44 ` Roland Stigge
2012-10-29 11:58 ` Alexandre Pereira da Silva
2012-10-29 11:58 ` Alexandre Pereira da Silva
2012-11-03 1:36 ` David Miller
2012-11-03 1:36 ` David Miller
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