powerpc/powernv: Fix the overflow of OPAL message notifiers head array
authorNeelesh Gupta <neelegup@linux.vnet.ibm.com>
Wed, 11 Feb 2015 06:27:06 +0000 (11:57 +0530)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 25 Mar 2015 05:53:28 +0000 (16:53 +1100)
commit792f96e9a769b799a2944e9369e4ea1e467135b2
treed852852218db3c7da9d91e5941a0e880519add54
parent111fbc68fd895ba437bcb03d5dcc4dd21bc61df8
powerpc/powernv: Fix the overflow of OPAL message notifiers head array

Fixes the condition check of incoming message type which can
otherwise shoot beyond the message notifiers head array.

Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
Reviewed-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/platforms/powernv/opal.c