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authorSage Weil <sage@newdream.net>2011-03-29 12:11:06 -0700
committerSage Weil <sage@newdream.net>2011-03-29 12:11:06 -0700
commitfbdb9190482fd83a3eb20cdeb0da454759f479d7 (patch)
treebf83dcd6ea13c9a1feedb2a8f79744de93f9fecd /fs/ceph
parent234af26ff123dfb2aa48772124721b1354c8e0a5 (diff)
downloadop-kernel-dev-fbdb9190482fd83a3eb20cdeb0da454759f479d7.zip
op-kernel-dev-fbdb9190482fd83a3eb20cdeb0da454759f479d7.tar.gz
libceph: fix null dereference when unregistering linger requests
We should only clear r_osd if we are neither registered as a linger or a regular request. We may unregister as a linger while still registered as a regular request (e.g., in reset_osd). Incorrectly clearing r_osd there leads to a null pointer dereference in __send_request. Also simplify the parallel check in __unregister_request() where we just removed r_osd_item and know it's empty. Signed-off-by: Sage Weil <sage@newdream.net>
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