usb/gadget: free opts struct on error recovery

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@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index 5d3561ea1c1595ea30f07bc3ad35253647701d97..edab45da37417e16960b75033a46a8453475b77b 100644 (file)
--- 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 90ee8022e8d80c29fbff9a1298d62c13ec869b42..d00392d879db3aa3e75d093d4e26041fa42bcb54 100644 (file)
--- 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 952177f7eb9b40e8045bfa85730239ab22efd97c..1c28fe13328a13935a3976ecc409cba113a81221 100644 (file)
--- 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 7944fb0efe3b6a67471e7379a03a5d8ebc9b23fb..1bf26e9f38cd3c4573331ff77d6a9caa55a0be7e 100644 (file)
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -656,8 +656,11 @@ 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 191df35ae69d04e31c6fc70ac7d76f2b4ff83be3..717ed7f956395412bf5d6da1d605921c71b82532 100644 (file)
--- 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 5601e1d96c4fabd7f8a44bc80703080495fba56a..7c8674fa7e8094074aa794fe9407e2adeab7548a 100644 (file)
--- 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);