nfsd: check d_can_lookup in fh_verify of directories

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Create and other nfsd ops generally assume we can call lookup_one_len on
inodes with S_IFDIR set.  Al says that this assumption isn't true in
general, though it should be for the filesystem objects nfsd sees.

Add a check just to make sure our assumption isn't violated.

Remove a couple checks for i_op->lookup in create code.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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This commit is contained in:

J. Bruce Fields 2016-07-19 17:33:04 -04:00

parent 12391d0723

commit e75b23f9e3

2 changed files with 10 additions and 13 deletions

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14

fs/nfsd/nfsfh.c

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9

fs/nfsd/vfs.c

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