TTY: con3215, unset raw3215[line]

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raw3215[line] is set in probe, but not unset in remove. This will lead
to random crashes if the device is removed and the corresponding tty
opened later. open would dereference freed memory.

So set raw3215[line] to NULL in remove to fix that.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Jiri Slaby 2012-08-07 21:47:57 +02:00 • committed by Greg Kroah-Hartman

parent 5920c2c9b9

commit 3ec0a17ef5

1 changed files with 7 additions and 0 deletions

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drivers/s390/char/con3215.c

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