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authorChristian Lamparter <chunkeey@web.de>2008-12-09 15:14:37 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-12-12 14:01:39 -0500
commitdd397dc9dddfa2149a1bbc9e52ac7d5630737cec (patch)
treee96caebf6081bbeb70bc8407342989c0bbda4fbf /fs/binfmt_som.c
parenta07d3619faeea3f540dd55f86685136f8928b4ad (diff)
p54usb: rewriting rx/tx routines to make use of usb_anchor's facilities
Alan Stern found several flaws in p54usb's implementation and annotated: "usb_kill_urb() and similar routines do not expect an URB's completion routine to deallocate it.  This is almost obvious -- if the URB is deallocated before the completion routine returns then there's no way for usb_kill_urb to detect when the URB actually is complete." This patch addresses all known limitations in the old implementation and fixes khub's "use-after-freed" hang, when SLUB debug's poisoning option is enabled. Signed-off-by: Christian Lamparter <chunkeey@web.de> Cc: stable@kernel.org Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'fs/binfmt_som.c')
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