Trond Myklebust
331818f1c4
NFSv4: Fix an Oops in the NFSv4 getacl code
...
Commit bf118a342f (NFSv4: include bitmap
in nfsv4 get acl data) introduces the 'acl_scratch' page for the case
where we may need to decode multi-page data. However it fails to take
into account the fact that the variable may be NULL (for the case where
we're not doing multi-page decode), and it also attaches it to the
encoding xdr_stream rather than the decoding one.
The immediate result is an Oops in nfs4_xdr_enc_getacl due to the
call to page_address() with a NULL page pointer.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com >
Cc: Andy Adamson <andros@netapp.com >
Cc: stable@vger.kernel.org
2012-02-03 18:50:34 -05:00
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