Files
android_kernel_xiaomi_sm8450/arch/powerpc/platforms/powernv
Andrew Donnellan e7de4f7b64 powerpc/powernv: Restrict OPAL symbol map to only be readable by root
Currently the OPAL symbol map is globally readable, which seems bad as
it contains physical addresses.

Restrict it to root.

Fixes: c8742f8512 ("powerpc/powernv: Expose OPAL firmware symbol map")
Cc: stable@vger.kernel.org # v3.19+
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190503075253.22798-1-ajd@linux.ibm.com
2019-08-05 18:53:04 +10:00
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