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(parent: 5b11f6e) | patch
tty: Fix oops when scanning the polling list for kgdb
authorAlan Cox <alan@linux.intel.com>
Thu, 11 Jun 2009 11:46:41 +0000 (12:46 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 11 Jun 2009 15:51:01 +0000 (08:51 -0700)
commita7613bed04672765329c91fce3f3feb9e0c9b22b
tree4e92e6a29ea537b62276d0902b499c3ee6779dd8tree | snapshot
parent5b11f6efb051d7dd930d70ff72d3a9a342d58771commit | diff
tty: Fix oops when scanning the polling list for kgdb

Costantino Leandro found a bug in tty_find_polling_driver and provided a
patch that fixed the crash but not the underlying bug. This fixes the
underlying bug where the list walk corrupts the values it is using on a
match but then reuses them if the open fails.

Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/char/tty_io.c diff | blob | history
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