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9p: fix mmap to be read-only
authorEric Van Hensbergen <ericvh@opteron.homeip.net>
Thu, 7 Feb 2008 01:25:05 +0000 (19:25 -0600)
committerEric Van Hensbergen <ericvh@opteron.homeip.net>
Thu, 7 Feb 2008 01:25:05 +0000 (19:25 -0600)
v9fs was allowing writable mmap which could lead to kernel BUG() cases.
This sets the mmap function to generic_file_readonly_mmap which (correctly)
returns an error to applications which open mmap for writing.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

No differences found
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