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[S390] cio: move final put_device to ccw_device_unregister
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Fri, 11 Sep 2009 08:28:26 +0000 (10:28 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 11 Sep 2009 08:29:40 +0000 (10:29 +0200)
commit3b554a14f4bdf754ba9d2f64c2b6edf8dafe93b9
treea01fc109cd60297d404e0e21f7457bd8e15f372btree | snapshot
parent6ee4fec6be06f7d138860b37cba58982cc3ccb16commit | diff
[S390] cio: move final put_device to ccw_device_unregister

We use a test_and_clear_bit to prevent a device from being
unregistered twice. Unfortunately in this cases the "final"
put_device (from device_initialize) was issued more than once,
resulting in an use after free error. Fix this by moving this
put_device to ccw_device_unregister.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/device.c diff | blob | history
Domain: System / Kernel;