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(parent: 6cea5f2) | patch
rtl8187: fix use after free on failure path in rtl8187_probe()
authorAlexey Khoroshilov <[email protected]>
Fri, 28 Mar 2014 20:26:15 +0000 (00:26 +0400)
committerJohn W. Linville <[email protected]>
Mon, 31 Mar 2014 17:47:41 +0000 (13:47 -0400)
commita31267c30880ebdc73e6815f58c69a665052fab8
treee5d0be79fbfd9de5e5d5ba49baa4fc04f4acb899tree | snapshot
parent6cea5f2173440d324b0172373a95408323f28911commit | diff
rtl8187: fix use after free on failure path in rtl8187_probe()

If allocation of io_dmabuf fails, rtl8187_probe() calls usb_put_dev(udev)
while usb_get_dev(udev) is not called yet. As a result refcnt is decremented
incorrectly and usb_dev can be used after memory deallocation.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <[email protected]>
Acked-by: Larry Finger <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
drivers/net/wireless/rtl818x/rtl8187/dev.c diff | blob | blame | history
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