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authorDavid Howells <dhowells@redhat.com>2018-05-23 12:51:29 +0200
committerDavid Howells <dhowells@redhat.com>2018-05-23 12:51:29 +0200
commit1588def91d58bf70afe1acf9fc0331fa26e974f4 (patch)
treed018c9b539d1c789b4dc8bba4c59226a22433a2d /fs/proc/task_nommu.c
parentafs: Fix a Sparse warning in xdr_decode_AFSFetchStatus() (diff)
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afs: Mark afs_net::ws_cell as __rcu and set using rcu functions
The afs_net::ws_cell member is sometimes used under RCU conditions from within an seq-readlock. It isn't, however, marked __rcu and it isn't set using the proper RCU barrier-imposing functions. Fix this by annotating it with __rcu and using appropriate barriers to make sure accesses are correctly ordered. Without this, the code can produce the following warning: >> fs/afs/proc.c:151:24: sparse: incompatible types in comparison expression (different address spaces) Fixes: f044c8847bb6 ("afs: Lay the groundwork for supporting network namespaces") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/proc/task_nommu.c')
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