s390/cio: update chpid descriptor after resource accessibility event

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commit af2e460ade upstream.

Channel path descriptors have been seen as something stable (as
long as the chpid is configured). Recent tests have shown that the
descriptor can also be altered when the link state of a channel path
changes. Thus it is necessary to update the descriptor during
handling of resource accessibility events.

Cc: <stable@vger.kernel.org>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Sebastian Ott 2018-04-11 11:21:17 +02:00 • committed by Greg Kroah-Hartman

parent a75bf6f717

commit 3b5c2e1d16

1 changed files with 11 additions and 3 deletions

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drivers/s390/cio/chsc.c

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