powerpc/perf: Rearrange memory freeing in imc init

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When any of the IMC (In-Memory Collection counter) devices fail
to initialize, imc_common_mem_free() frees set of memory. In doing so,
pmu_ptr pointer is also freed. But pmu_ptr pointer is used in subsequent
function (imc_common_cpuhp_mem_free()) which is wrong. Patch here reorders
the code to avoid such access.

Also free the memory which is dynamically allocated during imc
initialization, wherever required.

Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Anju T Sudhakar 2018-05-22 14:42:34 +05:30 • committed by Michael Ellerman

parent 589b1f7e4b

commit cb094fa5af

2 changed files with 27 additions and 18 deletions

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32

arch/powerpc/perf/imc-pmu.c

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13

arch/powerpc/platforms/powernv/opal-imc.c

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