Dominique Martinet 5bfe97d738 9p: Fix writeback fid incorrectly being attached to dentry
v9fs_dir_release needs fid->ilist to have been initialized for filp's
fid, not the inode's writeback fid's.

With refcounting this can be improved on later but this appears to fix
null deref issues.

Link: http://lkml.kernel.org/r/1605802012-31133-3-git-send-email-asmadeus@codewreck.org
Fixes: 6636b6dcc3db ("fs/9p: track open fids")
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
2020-11-19 17:22:28 +01:00
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