[PATCH - bugfix for 3.11] usb/gadget: free opts struct on error recovery

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Fix memory leaks introduced in commits:

40d133d7f542616cf9538508a372306e626a16e9
usb: gadget: f_ncm: convert to new function interface with backward compatibility

fee562a6450b7806f1fbbe1469a67b5395b5c10a
usb: gadget: f_ecm: convert to new function interface with backward compatibility

fcbdf12ebef73a6069e2a1aada1e546fb578a4aa
usb: gadget: f_phonet: convert to new function interface with backward compatibility

b29002a157940752dfed2c488b2011f63f007d71
usb: gadget: f_eem: convert to new function interface with backward compatibility

8cedba7c73af1369599b1111639cfeb66fe13aaa
usb: gadget: f_subset: convert to new function interface with backward compatibility

f466c6353819326873fa48a02c6f2d7c903240d6
usb: gadget: f_rndis: convert to new function interface with backward compatibility

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 drivers/usb/gadget/f_ecm.c    |    7 +++++--
 drivers/usb/gadget/f_eem.c    |    7 +++++--
 drivers/usb/gadget/f_ncm.c    |    7 +++++--
 drivers/usb/gadget/f_phonet.c |    7 +++++--
 drivers/usb/gadget/f_rndis.c  |    7 +++++--
 drivers/usb/gadget/f_subset.c |    7 +++++--
 6 files changed, 30 insertions(+), 12 deletions(-)

diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index 5d3561e..edab45d 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -959,8 +959,11 @@ static struct usb_function_instance *ecm_alloc_inst(void)
 	mutex_init(&opts->lock);
 	opts->func_inst.free_func_inst = ecm_free_inst;
 	opts->net = gether_setup_default();
-	if (IS_ERR(opts->net))
-		return ERR_PTR(PTR_ERR(opts->net));
+	if (IS_ERR(opts->net)) {
+		struct net_device *net = opts->net;
+		kfree(opts);
+		return ERR_CAST(net);
+	}
 
 	config_group_init_type_name(&opts->func_inst.group, "", &ecm_func_type);
 
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 90ee802..d00392d 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -593,8 +593,11 @@ static struct usb_function_instance *eem_alloc_inst(void)
 	mutex_init(&opts->lock);
 	opts->func_inst.free_func_inst = eem_free_inst;
 	opts->net = gether_setup_default();
-	if (IS_ERR(opts->net))
-		return ERR_CAST(opts->net);
+	if (IS_ERR(opts->net)) {
+		struct net_device *net = opts->net;
+		kfree(opts);
+		return ERR_CAST(net);
+	}
 
 	config_group_init_type_name(&opts->func_inst.group, "", &eem_func_type);
 
diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c
index 952177f..1c28fe1 100644
--- a/drivers/usb/gadget/f_ncm.c
+++ b/drivers/usb/gadget/f_ncm.c
@@ -1350,8 +1350,11 @@ static struct usb_function_instance *ncm_alloc_inst(void)
 	mutex_init(&opts->lock);
 	opts->func_inst.free_func_inst = ncm_free_inst;
 	opts->net = gether_setup_default();
-	if (IS_ERR(opts->net))
-		return ERR_PTR(PTR_ERR(opts->net));
+	if (IS_ERR(opts->net)) {
+		struct net_device *net = opts->net;
+		kfree(opts);
+		return ERR_CAST(net);
+	}
 
 	config_group_init_type_name(&opts->func_inst.group, "", &ncm_func_type);
 
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 3575427..eb3aa81 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -654,8 +654,11 @@ static struct usb_function_instance *phonet_alloc_inst(void)
 
 	opts->func_inst.free_func_inst = phonet_free_inst;
 	opts->net = gphonet_setup_default();
-	if (IS_ERR(opts->net))
-		return ERR_PTR(PTR_ERR(opts->net));
+	if (IS_ERR(opts->net)) {
+		struct net_device *net = opts->net;
+		kfree(opts);
+		return ERR_CAST(net);
+	}
 
 	config_group_init_type_name(&opts->func_inst.group, "",
 			&phonet_func_type);
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 191df35..717ed7f 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -963,8 +963,11 @@ static struct usb_function_instance *rndis_alloc_inst(void)
 	mutex_init(&opts->lock);
 	opts->func_inst.free_func_inst = rndis_free_inst;
 	opts->net = gether_setup_default();
-	if (IS_ERR(opts->net))
-		return ERR_CAST(opts->net);
+	if (IS_ERR(opts->net)) {
+		struct net_device *net = opts->net;
+		kfree(opts);
+		return ERR_CAST(net);
+	}
 
 	config_group_init_type_name(&opts->func_inst.group, "",
 				    &rndis_func_type);
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index 5601e1d..7c8674f 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -505,8 +505,11 @@ static struct usb_function_instance *geth_alloc_inst(void)
 	mutex_init(&opts->lock);
 	opts->func_inst.free_func_inst = geth_free_inst;
 	opts->net = gether_setup_default();
-	if (IS_ERR(opts->net))
-		return ERR_CAST(opts->net);
+	if (IS_ERR(opts->net)) {
+		struct net_device *net = opts->net;
+		kfree(opts);
+		return ERR_CAST(net);
+	}
 
 	config_group_init_type_name(&opts->func_inst.group, "",
 				    &gether_func_type);
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux