diff options
author | Pavitrakumar Managutte <pavitra1729@gmail.com> | 2014-10-22 17:54:58 +0400 |
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committer | Felipe Balbi <balbi@ti.com> | 2014-10-23 22:57:24 +0400 |
commit | d12a8727171c770990c246f0682f0af7859bb245 (patch) | |
tree | 65f081be3d25e5b85187acbfb46d7a3f2f4fd727 /drivers/usb/gadget/function/f_rndis.c | |
parent | 1200a82a59b6aa65758ccc92c3447b98c53cd7a2 (diff) | |
download | linux-d12a8727171c770990c246f0682f0af7859bb245.tar.xz |
usb: gadget: function: Remove redundant usb_free_all_descriptors
Removed usb_free_all_descriptors in the bind functions, which
results in double-free corruption of the descriptors on error path.
The usb descriptors are allocated by usb_assign_descriptors.
Signed-off-by: Pavitrakumar Managutte <pavitra1729@gmail.com>
Reviewed-by: Robert Baldyga <r.baldyga@samsung.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/function/f_rndis.c')
-rw-r--r-- | drivers/usb/gadget/function/f_rndis.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index ddb09dc6d1f2..2f0517f5bae3 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -803,7 +803,7 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) if (rndis->manufacturer && rndis->vendorID && rndis_set_param_vendor(rndis->config, rndis->vendorID, rndis->manufacturer)) - goto fail; + goto fail_free_descs; /* NOTE: all that is done without knowing or caring about * the network link ... which is unavailable to this code @@ -817,10 +817,11 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) rndis->notify->name); return 0; +fail_free_descs: + usb_free_all_descriptors(f); fail: kfree(f->os_desc_table); f->os_desc_n = 0; - usb_free_all_descriptors(f); if (rndis->notify_req) { kfree(rndis->notify_req->buf); |