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Sigh... commit 4584f520e1 (NFS: Fix NFS
mountpoint crossing...) had a slight flaw: server can be NULL if sget()
returned an existing superblock.
Fix the fix by dereferencing s->s_fs_info.
Thanks to Coverity/Adrian Bunk and Frank Filz for spotting the bug.
(See http://bugzilla.kernel.org/show_bug.cgi?id=9647)
Also add in the same namespace Oops fix for NFSv4 in both the mountpoint
crossing case, and the referral case.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
1934 lines
47 KiB
1934 lines
47 KiB