srcu: Check for invalid idx argument in srcu_read_unlock()
authorPaul E. McKenney <paulmck@linux.ibm.com>
Fri, 30 Nov 2018 18:06:46 +0000 (10:06 -0800)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Fri, 25 Jan 2019 23:36:40 +0000 (15:36 -0800)
commitc8ca1aa774b20f182733d1661f3b6aa3105338e7
tree4bf5a3fd65d0e71fe2f1de535859dddd9c6214d7
parent7a968bb26a9b09b6e44c48a8036a73e0bc497dbc
srcu: Check for invalid idx argument in srcu_read_unlock()

The current SRCU implementation has an idx argument of zero or one,
and never anything else.  This commit therefore adds a WARN_ON_ONCE()
to complain if this restriction is violated.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
include/linux/srcu.h