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(parent: f71f948) | patch
um: winch_interrupt() can happen inside of free_winch()
authorAl Viro <viro@ftp.linux.org.uk>
Wed, 14 Sep 2011 23:21:28 +0000 (16:21 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 15 Sep 2011 01:09:37 +0000 (18:09 -0700)
commit45cd5e2d4e632f55af1d6131f33b554c98f8b929
tree8cc6c469235826606383420663d16e29fbdc4cbdtree | snapshot (tar.gz zip)
parentf71f94845e0126884eca8ce57a92e30b189c8e71commit | diff
um: winch_interrupt() can happen inside of free_winch()

...  so set winch->fd to -1 before doing free_irq(), to avoid having
winch_interrupt() come from/during the latter and attempt to do
reactivate_fd() on something that's already gone.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/um/drivers/line.c diff | blob | blame | history