Al Viro dd20908a8a don't bother with {get,put}_write_access() on non-regular files ...

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).

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2014-04-01 23:19:11 -04:00

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