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authorAlan Cox <alan@redhat.com>2009-01-02 13:47:06 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 10:19:40 -0800
commiteff6937a46e096eb35c16a391617b7a5e098a30c (patch)
treebc3d6be6f85a61d27af3f86eb0e8b65b9f83f059 /drivers/char/mmtimer.c
parent39aced68d664291db3324d0fcf0985ab5626aac2 (diff)
tty: USB tty devices can block in tcdrain when unplugged
The underlying problem is that the device methods don't all correctly handle disconnected status and some keep reporting bytes pending which causes tcdrain to stall. When the cable is unplugged they are definitely gone, and as this is true for all USB cables we can fix it in the core usb serial code. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/mmtimer.c')
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