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(parent: 8dd5936) | patch
serial: fix NULL pointer dereference
authorAndré Goddard Rosa <andre.goddard@gmail.com>
Sun, 25 Oct 2009 13:16:32 +0000 (11:16 -0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 11 Dec 2009 23:18:04 +0000 (15:18 -0800)
commit2068ced1dc60b7e40cfc2ecbf1d06db0d6a99ec8
tree0dbd44e16a4fbe9554d25b4dcbc17fea7207a933tree | snapshot
parent8dd59364ea480dcfb8007b4ef4acace29f057ff7commit | diff
serial: fix NULL pointer dereference

If kzalloc() or alloc_tty_driver() fails, we call:
    put_tty_driver(normal = NULL).

Then:
    put_tty_driver -> tty_driver_kref_put -> kref_put(&NULL->kref, ...)

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/serial/serial_core.c diff | blob | history
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