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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-09-12 19:55:25 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-09-12 19:55:25 -0400
commit006abe887c5e637d059c44310de6c92f36aded3b (patch)
tree542ab0f1d56b4d9681c8d61fbf77c9a46062e661 /.gitignore
parent5a67657a2e90c9e4a48518f95d4ba7777aa20fbb (diff)
SUNRPC: Fix a race in rpc_info_open
There is a race between rpc_info_open and rpc_release_client() in that nothing stops a process from opening the file after the clnt->cl_kref goes to zero. Fix this by using atomic_inc_unless_zero()... Reported-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
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