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[S390] monreader: fix use after free bug with suspend/resume
authorGerald Schaefer <gerald.schaefer@de.ibm.com>
Fri, 13 Nov 2009 14:43:51 +0000 (15:43 +0100)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Fri, 13 Nov 2009 14:45:03 +0000 (15:45 +0100)
The monreader device driver doesn't set dev->driver_data to NULL after
freeing the corresponding data structure. This leads to a use after
free bug in the freeze/thaw suspend/resume functions after the device
has been opened and closed once. Fix this by clearing dev->driver_data
in the close() function.

Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

No differences found
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