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authorNeilBrown <neilb@suse.com>2016-03-04 07:20:13 +0100
committerJ. Bruce Fields <bfields@redhat.com>2016-03-17 19:57:15 +0100
commita6ab1e8126d205238defbb55d23661a3a5c6a0d8 (patch)
treedb1e6dad9377a523e58bcb685bde47b1ecec7884 /fs/nfsd/nfs4recover.c
parentnfsd: recover: fix memory leak (diff)
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sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race
sunrpc_cache_pipe_upcall() can detect a race if CACHE_PENDING is no longer set. In this case it aborts the queuing of the upcall. However it has already taken a new counted reference on "h" and doesn't "put" it, even though it frees the data structure holding the reference. So let's delay the "cache_get" until we know we need it. Fixes: f9e1aedc6c79 ("sunrpc/cache: remove races with queuing an upcall.") Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4recover.c')
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