configfs_detach_prep(): make sure that wait_mutex won't go away

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grab a reference to dentry we'd got the sucker from, and return
that dentry via *wait, rather than just returning the address of
->i_mutex.

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

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Al Viro 2016-04-12 00:37:59 -04:00

parent 779b839133

commit 48f35b7b73

1 changed files with 9 additions and 8 deletions

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17

fs/configfs/dir.c

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