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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2012-10-22 22:15:00 +0200
committerFelipe Balbi <balbi@ti.com>2012-10-31 15:04:24 +0200
commite79cc615a9bb44da72c499ccfa2c9c4bbea3aa84 (patch)
tree0b860852814460a151fe7323ae1d31726adbe18f
parent391aa852a372308c216d8638e57fe8fe560558f2 (diff)
usb: gadget: network: fix bind() error path
I think this is wrong since 72c973dd ("usb: gadget: add usb_endpoint_descriptor to struct usb_ep"). If we fail to allocate an ep or bail out early we shouldn't check for the descriptor which is assigned at ep_enable() time. Cc: Tatyana Brokhman <tlinder@codeaurora.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
-rw-r--r--drivers/usb/gadget/f_ecm.c4
-rw-r--r--drivers/usb/gadget/f_eem.c5
-rw-r--r--drivers/usb/gadget/f_ncm.c4
-rw-r--r--drivers/usb/gadget/f_rndis.c4
-rw-r--r--drivers/usb/gadget/f_subset.c4
5 files changed, 10 insertions, 11 deletions
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index 789242749df5..a158740255ce 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -809,9 +809,9 @@ fail:
/* we might as well release our claims on endpoints */
if (ecm->notify)
ecm->notify->driver_data = NULL;
- if (ecm->port.out_ep->desc)
+ if (ecm->port.out_ep)
ecm->port.out_ep->driver_data = NULL;
- if (ecm->port.in_ep->desc)
+ if (ecm->port.in_ep)
ecm->port.in_ep->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 1a7b2dd7d408..a9cf20522ffa 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -319,10 +319,9 @@ fail:
if (f->hs_descriptors)
usb_free_descriptors(f->hs_descriptors);
- /* we might as well release our claims on endpoints */
- if (eem->port.out_ep->desc)
+ if (eem->port.out_ep)
eem->port.out_ep->driver_data = NULL;
- if (eem->port.in_ep->desc)
+ if (eem->port.in_ep)
eem->port.in_ep->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c
index 4f0950069a43..424fc3d1cc36 100644
--- a/drivers/usb/gadget/f_ncm.c
+++ b/drivers/usb/gadget/f_ncm.c
@@ -1259,9 +1259,9 @@ fail:
/* we might as well release our claims on endpoints */
if (ncm->notify)
ncm->notify->driver_data = NULL;
- if (ncm->port.out_ep->desc)
+ if (ncm->port.out_ep)
ncm->port.out_ep->driver_data = NULL;
- if (ncm->port.in_ep->desc)
+ if (ncm->port.in_ep)
ncm->port.in_ep->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 61f4b13c6cf5..7c27626f0235 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -803,9 +803,9 @@ fail:
/* we might as well release our claims on endpoints */
if (rndis->notify)
rndis->notify->driver_data = NULL;
- if (rndis->port.out_ep->desc)
+ if (rndis->port.out_ep)
rndis->port.out_ep->driver_data = NULL;
- if (rndis->port.in_ep->desc)
+ if (rndis->port.in_ep)
rndis->port.in_ep->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index 4060c0bd9785..deb437c3b53e 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -370,9 +370,9 @@ fail:
usb_free_descriptors(f->hs_descriptors);
/* we might as well release our claims on endpoints */
- if (geth->port.out_ep->desc)
+ if (geth->port.out_ep)
geth->port.out_ep->driver_data = NULL;
- if (geth->port.in_ep->desc)
+ if (geth->port.in_ep)
geth->port.in_ep->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);