* [PATCH 0/8] add missing of_node_put
@ 2015-10-25 13:56 Julia Lawall
2015-10-25 13:57 ` [PATCH 1/8] net: thunderx: " Julia Lawall
` (8 more replies)
0 siblings, 9 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:56 UTC (permalink / raw)
To: linux-arm-kernel
The various for_each device_node iterators performs an of_node_get on each
iteration, so a break out of the loop requires an of_node_put.
The complete semantic patch that fixes this problem is
(http://coccinelle.lip6.fr):
// <smpl>
@r@
local idexpression n;
expression e1,e2;
iterator name for_each_node_by_name, for_each_node_by_type,
for_each_compatible_node, for_each_matching_node,
for_each_matching_node_and_match, for_each_child_of_node,
for_each_available_child_of_node, for_each_node_with_property;
iterator i;
statement S;
expression list [n1] es;
@@
(
(
for_each_node_by_name(n,e1) S
|
for_each_node_by_type(n,e1) S
|
for_each_compatible_node(n,e1,e2) S
|
for_each_matching_node(n,e1) S
|
for_each_matching_node_and_match(n,e1,e2) S
|
for_each_child_of_node(e1,n) S
|
for_each_available_child_of_node(e1,n) S
|
for_each_node_with_property(n,e1) S
)
&
i(es,n,...) S
)
@@
local idexpression r.n;
iterator r.i;
expression e;
expression list [r.n1] es;
@@
i(es,n,...) {
...
(
of_node_put(n);
|
e = n
|
return n;
|
+ of_node_put(n);
? return ...;
)
...
}
@@
local idexpression r.n;
iterator r.i;
expression e;
expression list [r.n1] es;
@@
i(es,n,...) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? break;
)
...
}
... when != n
@@
local idexpression r.n;
iterator r.i;
expression e;
identifier l;
expression list [r.n1] es;
@@
i(es,n,...) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? goto l;
)
...
}
...
l: ... when != n// </smpl>
---
drivers/media/platform/xilinx/xilinx-tpg.c | 2 ++
drivers/media/platform/xilinx/xilinx-vipp.c | 4 +++-
drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 4 +++-
drivers/net/ethernet/marvell/mv643xx_eth.c | 4 +++-
drivers/net/ethernet/ti/netcp_ethss.c | 8 ++++++--
drivers/net/phy/mdio-mux-mmioreg.c | 2 ++
drivers/net/phy/mdio-mux.c | 1 +
drivers/net/wireless/ath/ath6kl/init.c | 1 +
8 files changed, 21 insertions(+), 5 deletions(-)
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 1/8] net: thunderx: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-25 13:57 ` [PATCH 2/8] net: netcp: " Julia Lawall
` (7 subsequent siblings)
8 siblings, 0 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: linux-arm-kernel
for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression r.n;
expression r,e;
@@
for_each_child_of_node(r,n) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 574c492..180aa9f 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -977,8 +977,10 @@ static int bgx_init_of_phy(struct bgx *bgx)
SET_NETDEV_DEV(&bgx->lmac[lmac].netdev, &bgx->pdev->dev);
bgx->lmac[lmac].lmacid = lmac;
lmac++;
- if (lmac = MAX_LMAC_PER_BGX)
+ if (lmac = MAX_LMAC_PER_BGX) {
+ of_node_put(np_child);
break;
+ }
}
return 0;
}
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 2/8] net: netcp: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
2015-10-25 13:57 ` [PATCH 1/8] net: thunderx: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-25 13:57 ` [PATCH 3/8] netdev/phy: " Julia Lawall
` (6 subsequent siblings)
8 siblings, 0 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: Wingman Kwok
Cc: kernel-janitors, Murali Karicheri, netdev, linux-kernel,
Russell King - ARM Linux, Thomas Petazzoni, Andrew Lunn,
Bjorn Helgaas, Jason Cooper
for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression r.n;
expression r,e;
@@
for_each_child_of_node(r,n) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/ethernet/ti/netcp_ethss.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 6bff8d8..4e70e75 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -2637,8 +2637,10 @@ static void init_secondary_ports(struct gbe_priv *gbe_dev,
mac_phy_link = true;
slave->open = true;
- if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves)
+ if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) {
+ of_node_put(port);
break;
+ }
}
/* of_phy_connect() is needed only for MAC-PHY interface */
@@ -3137,8 +3139,10 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
continue;
}
gbe_dev->num_slaves++;
- if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves)
+ if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) {
+ of_node_put(interface);
break;
+ }
}
of_node_put(interfaces);
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 3/8] netdev/phy: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
2015-10-25 13:57 ` [PATCH 1/8] net: thunderx: " Julia Lawall
2015-10-25 13:57 ` [PATCH 2/8] net: netcp: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-25 13:57 ` [PATCH 4/8] net: phy: mdio: " Julia Lawall
` (5 subsequent siblings)
8 siblings, 0 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: Florian Fainelli
Cc: kernel-janitors, netdev, linux-kernel, Russell King - ARM Linux,
Thomas Petazzoni, Andrew Lunn, Bjorn Helgaas, Jason Cooper
for_each_available_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression r.n;
expression r,e;
@@
for_each_available_child_of_node(r,n) {
...
(
of_node_put(n);
|
e = n
|
+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/phy/mdio-mux.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 280c7c3..908e8d4 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -144,6 +144,7 @@ int mdio_mux_init(struct device *dev,
dev_err(dev,
"Error: Failed to allocate memory for child\n");
ret_val = -ENOMEM;
+ of_node_put(child_bus_node);
break;
}
cb->bus_number = v;
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 4/8] net: phy: mdio: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
` (2 preceding siblings ...)
2015-10-25 13:57 ` [PATCH 3/8] netdev/phy: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-25 13:57 ` [PATCH 5/8] [media] v4l: xilinx-vipp: " Julia Lawall
` (4 subsequent siblings)
8 siblings, 0 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: Florian Fainelli
Cc: kernel-janitors, netdev, linux-kernel, Russell King - ARM Linux,
Thomas Petazzoni, Andrew Lunn, Bjorn Helgaas, Jason Cooper
for_each_available_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_available_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
|
+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/phy/mdio-mux-mmioreg.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/phy/mdio-mux-mmioreg.c b/drivers/net/phy/mdio-mux-mmioreg.c
index 2377c13..7fde454 100644
--- a/drivers/net/phy/mdio-mux-mmioreg.c
+++ b/drivers/net/phy/mdio-mux-mmioreg.c
@@ -113,12 +113,14 @@ static int mdio_mux_mmioreg_probe(struct platform_device *pdev)
if (!iprop || len != sizeof(uint32_t)) {
dev_err(&pdev->dev, "mdio-mux child node %s is "
"missing a 'reg' property\n", np2->full_name);
+ of_node_put(np2);
return -ENODEV;
}
if (be32_to_cpup(iprop) & ~s->mask) {
dev_err(&pdev->dev, "mdio-mux child node %s has "
"a 'reg' value with unmasked bits\n",
np2->full_name);
+ of_node_put(np2);
return -ENODEV;
}
}
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 5/8] [media] v4l: xilinx-vipp: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
` (3 preceding siblings ...)
2015-10-25 13:57 ` [PATCH 4/8] net: phy: mdio: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-26 1:20 ` Laurent Pinchart
2015-10-25 13:57 ` [PATCH 6/8] [media] v4l: xilinx-tpg: " Julia Lawall
` (3 subsequent siblings)
8 siblings, 1 reply; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: linux-arm-kernel
for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
|
+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/media/platform/xilinx/xilinx-vipp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c b/drivers/media/platform/xilinx/xilinx-vipp.c
index 7b7cb9c..b9bf24f 100644
--- a/drivers/media/platform/xilinx/xilinx-vipp.c
+++ b/drivers/media/platform/xilinx/xilinx-vipp.c
@@ -476,8 +476,10 @@ static int xvip_graph_dma_init(struct xvip_composite_device *xdev)
for_each_child_of_node(ports, port) {
ret = xvip_graph_dma_init_one(xdev, port);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(port);
return ret;
+ }
}
return 0;
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 6/8] [media] v4l: xilinx-tpg: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
` (4 preceding siblings ...)
2015-10-25 13:57 ` [PATCH 5/8] [media] v4l: xilinx-vipp: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-26 1:19 ` Laurent Pinchart
2015-10-25 13:57 ` [PATCH 7/8] ath6kl: " Julia Lawall
` (2 subsequent siblings)
8 siblings, 1 reply; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: linux-arm-kernel
for_each_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
|
+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/media/platform/xilinx/xilinx-tpg.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/platform/xilinx/xilinx-tpg.c b/drivers/media/platform/xilinx/xilinx-tpg.c
index b5f7d5e..8bd7e37 100644
--- a/drivers/media/platform/xilinx/xilinx-tpg.c
+++ b/drivers/media/platform/xilinx/xilinx-tpg.c
@@ -731,6 +731,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
format = xvip_of_get_format(port);
if (IS_ERR(format)) {
dev_err(dev, "invalid format in DT");
+ of_node_put(port);
return PTR_ERR(format);
}
@@ -739,6 +740,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
xtpg->vip_format = format;
} else if (xtpg->vip_format != format) {
dev_err(dev, "in/out format mismatch in DT");
+ of_node_put(port);
return -EINVAL;
}
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 7/8] ath6kl: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
` (5 preceding siblings ...)
2015-10-25 13:57 ` [PATCH 6/8] [media] v4l: xilinx-tpg: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-25 13:57 ` [PATCH 8/8] net: mv643xx_eth: " Julia Lawall
2015-10-27 4:52 ` [PATCH 0/8] " David Miller
8 siblings, 0 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: Kalle Valo
Cc: kernel-janitors, linux-wireless, netdev, linux-kernel,
Russell King - ARM Linux, Thomas Petazzoni, Andrew Lunn,
Bjorn Helgaas, Jason Cooper
for_each_compatible_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression e;
local idexpression n;
@@
for_each_compatible_node(n,...) {
... when != of_node_put(n)
when != e = n
(
return n;
|
+ of_node_put(n);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/wireless/ath/ath6kl/init.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 6e473fa..12241b1 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -715,6 +715,7 @@ static bool check_device_tree(struct ath6kl *ar)
board_filename, ret);
continue;
}
+ of_node_put(node);
return true;
}
return false;
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 8/8] net: mv643xx_eth: add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
` (6 preceding siblings ...)
2015-10-25 13:57 ` [PATCH 7/8] ath6kl: " Julia Lawall
@ 2015-10-25 13:57 ` Julia Lawall
2015-10-27 4:52 ` [PATCH 0/8] " David Miller
8 siblings, 0 replies; 12+ messages in thread
From: Julia Lawall @ 2015-10-25 13:57 UTC (permalink / raw)
To: Sebastian Hesselbarth
Cc: kernel-janitors, netdev, linux-kernel, Russell King - ARM Linux,
Thomas Petazzoni, Andrew Lunn, Bjorn Helgaas, Jason Cooper
for_each_available_child_of_node performs an of_node_get on each iteration, so
a break out of the loop requires an of_node_put.
A simplified version of the semantic patch that fixes this problem is as
follows (http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
@@
for_each_available_child_of_node(root, child) {
... when != of_node_put(child)
when != e = child
(
return child;
|
+ of_node_put(child);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/ethernet/marvell/mv643xx_eth.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 603d29d..18ea385 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2785,8 +2785,10 @@ static int mv643xx_eth_shared_of_probe(struct platform_device *pdev)
for_each_available_child_of_node(np, pnp) {
ret = mv643xx_eth_shared_of_add_port(pdev, pnp);
- if (ret)
+ if (ret) {
+ of_node_put(pnp);
return ret;
+ }
}
return 0;
}
^ permalink raw reply related [flat|nested] 12+ messages in thread
* Re: [PATCH 6/8] [media] v4l: xilinx-tpg: add missing of_node_put
2015-10-25 13:57 ` [PATCH 6/8] [media] v4l: xilinx-tpg: " Julia Lawall
@ 2015-10-26 1:19 ` Laurent Pinchart
0 siblings, 0 replies; 12+ messages in thread
From: Laurent Pinchart @ 2015-10-26 1:19 UTC (permalink / raw)
To: linux-arm-kernel
Hi Julia,
Thank you for the patch.
On Sunday 25 October 2015 14:57:05 Julia Lawall wrote:
> for_each_child_of_node performs an of_node_get on each iteration, so
> a break out of the loop requires an of_node_put.
>
> A simplified version of the semantic patch that fixes this problem is as
> follows (http://coccinelle.lip6.fr):
>
> // <smpl>
> @@
> expression root,e;
> local idexpression child;
> @@
>
> for_each_child_of_node(root, child) {
> ... when != of_node_put(child)
> when != e = child
> (
> return child;
>
> + of_node_put(child);
> ? return ...;
> )
> ...
> }
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> drivers/media/platform/xilinx/xilinx-tpg.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/platform/xilinx/xilinx-tpg.c
> b/drivers/media/platform/xilinx/xilinx-tpg.c index b5f7d5e..8bd7e37 100644
> --- a/drivers/media/platform/xilinx/xilinx-tpg.c
> +++ b/drivers/media/platform/xilinx/xilinx-tpg.c
> @@ -731,6 +731,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
> format = xvip_of_get_format(port);
> if (IS_ERR(format)) {
> dev_err(dev, "invalid format in DT");
> + of_node_put(port);
> return PTR_ERR(format);
> }
>
> @@ -739,6 +740,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
> xtpg->vip_format = format;
> } else if (xtpg->vip_format != format) {
> dev_err(dev, "in/out format mismatch in DT");
> + of_node_put(port);
> return -EINVAL;
> }
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 5/8] [media] v4l: xilinx-vipp: add missing of_node_put
2015-10-25 13:57 ` [PATCH 5/8] [media] v4l: xilinx-vipp: " Julia Lawall
@ 2015-10-26 1:20 ` Laurent Pinchart
0 siblings, 0 replies; 12+ messages in thread
From: Laurent Pinchart @ 2015-10-26 1:20 UTC (permalink / raw)
To: linux-arm-kernel
Hi Julia,
Thank you for the patch.
On Sunday 25 October 2015 14:57:04 Julia Lawall wrote:
> for_each_child_of_node performs an of_node_get on each iteration, so
> a break out of the loop requires an of_node_put.
>
> A simplified version of the semantic patch that fixes this problem is as
> follows (http://coccinelle.lip6.fr):
>
> // <smpl>
> @@
> expression root,e;
> local idexpression child;
> @@
>
> for_each_child_of_node(root, child) {
> ... when != of_node_put(child)
> when != e = child
> (
> return child;
>
> + of_node_put(child);
> ? return ...;
> )
> ...
> }
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> drivers/media/platform/xilinx/xilinx-vipp.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c
> b/drivers/media/platform/xilinx/xilinx-vipp.c index 7b7cb9c..b9bf24f 100644
> --- a/drivers/media/platform/xilinx/xilinx-vipp.c
> +++ b/drivers/media/platform/xilinx/xilinx-vipp.c
> @@ -476,8 +476,10 @@ static int xvip_graph_dma_init(struct
> xvip_composite_device *xdev)
>
> for_each_child_of_node(ports, port) {
> ret = xvip_graph_dma_init_one(xdev, port);
> - if (ret < 0)
> + if (ret < 0) {
> + of_node_put(port);
> return ret;
> + }
> }
>
> return 0;
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 0/8] add missing of_node_put
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
` (7 preceding siblings ...)
2015-10-25 13:57 ` [PATCH 8/8] net: mv643xx_eth: " Julia Lawall
@ 2015-10-27 4:52 ` David Miller
8 siblings, 0 replies; 12+ messages in thread
From: David Miller @ 2015-10-27 4:52 UTC (permalink / raw)
To: linux-arm-kernel
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sun, 25 Oct 2015 14:56:59 +0100
> The various for_each device_node iterators performs an of_node_get on each
> iteration, so a break out of the loop requires an of_node_put.
>
> The complete semantic patch that fixes this problem is
> (http://coccinelle.lip6.fr):
...
Series applied, thanks a lot Julia.
^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2015-10-27 4:52 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-10-25 13:56 [PATCH 0/8] add missing of_node_put Julia Lawall
2015-10-25 13:57 ` [PATCH 1/8] net: thunderx: " Julia Lawall
2015-10-25 13:57 ` [PATCH 2/8] net: netcp: " Julia Lawall
2015-10-25 13:57 ` [PATCH 3/8] netdev/phy: " Julia Lawall
2015-10-25 13:57 ` [PATCH 4/8] net: phy: mdio: " Julia Lawall
2015-10-25 13:57 ` [PATCH 5/8] [media] v4l: xilinx-vipp: " Julia Lawall
2015-10-26 1:20 ` Laurent Pinchart
2015-10-25 13:57 ` [PATCH 6/8] [media] v4l: xilinx-tpg: " Julia Lawall
2015-10-26 1:19 ` Laurent Pinchart
2015-10-25 13:57 ` [PATCH 7/8] ath6kl: " Julia Lawall
2015-10-25 13:57 ` [PATCH 8/8] net: mv643xx_eth: " Julia Lawall
2015-10-27 4:52 ` [PATCH 0/8] " David Miller
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