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linux/drivers/w1/w1.c
Maciej S. Szmigiero 1de8695110 w1: don't leak refcount on slave attach failure in w1_attach_slave_device() 
commit d2ce4ea1a0 upstream.

Near the beginning of w1_attach_slave_device() we increment a w1 master
reference count.
Later, when we are going to exit this function without actually attaching
a slave device (due to failure of __w1_attach_slave_device()) we need to
decrement this reference count back.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Fixes: 9fcbbac5de ("w1: process w1 netlink commands in w1_process thread")
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-12 06:41:48 +01:00

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