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| author | Pavitrakumar Managutte <pavitra1729@gmail.com> | 2014-10-22 19:24:58 +0530 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-10-23 13:57:24 -0500 |
| commit | d12a8727171c770990c246f0682f0af7859bb245 (patch) | |
| tree | 65f081be3d25e5b85187acbfb46d7a3f2f4fd727 /drivers/usb/gadget/function/f_hid.c | |
| parent | 1200a82a59b6aa65758ccc92c3447b98c53cd7a2 (diff) | |
| download | linux-stable-d12a8727171c770990c246f0682f0af7859bb245.tar.gz linux-stable-d12a8727171c770990c246f0682f0af7859bb245.tar.bz2 linux-stable-d12a8727171c770990c246f0682f0af7859bb245.zip | |
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_hid.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_hid.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index a95290a1289f..59ab62c92b66 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -621,12 +621,14 @@ static int __init hidg_bind(struct usb_configuration *c, struct usb_function *f) dev = MKDEV(major, hidg->minor); status = cdev_add(&hidg->cdev, dev, 1); if (status) - goto fail; + goto fail_free_descs; device_create(hidg_class, NULL, dev, NULL, "%s%d", "hidg", hidg->minor); return 0; +fail_free_descs: + usb_free_all_descriptors(f); fail: ERROR(f->config->cdev, "hidg_bind FAILED\n"); if (hidg->req != NULL) { @@ -635,7 +637,6 @@ fail: usb_ep_free_request(hidg->in_ep, hidg->req); } - usb_free_all_descriptors(f); return status; } |