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[S390] dasd: fix reference counting in display method for proc/dasd/devices
authorStefan Weinhuber <wein@de.ibm.com>
Wed, 5 Mar 2008 11:37:11 +0000 (12:37 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 5 Mar 2008 11:37:18 +0000 (12:37 +0100)
commita5e2383991ee985332854b721ba3e5abbbabf0f2
tree6dee7e87d0fd0a93a041e773684724e6ca9af418tree
parent5c12f2406cea24a2c885a8d3e5aa7ab94c65f0d5commit | diff
[S390] dasd: fix reference counting in display method for proc/dasd/devices

Using the /proc/dasd/devices interface leaves the reference counter
of alias devices in an inconsistent state. A process that tries to set
such a device offline afterwards will hang.
The dasd_devices_show function returns immediately for alias devices
and this code path was missing a dasd_put_device call.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/dasd_proc.c diff | blob | history
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