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linux/fs/open.c
Al Viro 2419da02f5 don't bother with {get,put}_write_access() on non-regular files 
commit dd20908a8a upstream.

it's pointless and actually leads to wrong behaviour in at least one
moderately convoluted case (pipe(), close one end, try to get to
another via /proc/*/fd and run into ETXTBUSY).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-31 13:20:29 -07:00

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