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(parent: 48dc8a6) | patch
powerpc/hw_breakpoints: Fix incorrect pointer access
authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Fri, 6 Jul 2012 01:30:58 +0000 (01:30 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 11 Jul 2012 04:20:20 +0000 (14:20 +1000)
commit2178b05dd7e848fa0aa975453987eb53e26c1326
treeae7fae6ae9aced79d6bb2e9a30a36cd0920a17bftree | snapshot
parent48dc8a67ecb1a4f2603ae2336ff3632b438bbbc1commit | diff
powerpc/hw_breakpoints: Fix incorrect pointer access

If arch_validate_hwbkpt_settings() fails, bp->ctx won't be valid and the
kernel panics. Add a check to fix this.

Reported-by: Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/hw_breakpoint.c diff | blob | history
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