[DLM] don't overwrite castparam if it's NULL

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If the castaddr passed to the userland API is NULL then don't overwrite the
existing castparam. This allows a different thread to cancel a lock request and
the CANCEL AST gets delivered to the original thread.

bz#306391 (for RHEL4) refers.

Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

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Patrick Caulfield 2007-10-01 15:28:42 +01:00 • committed by Steven Whitehouse

parent 5a60c532c9

commit b434eda6fd

1 changed files with 4 additions and 2 deletions

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6

fs/dlm/lock.c

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