sparc: Correct ctx->saw_frame_pointer logic.

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We need to initialize the frame pointer register not just if it is
seen as a source operand, but also if it is seen as the destination
operand of a store or an atomic instruction (which effectively is a
source operand).

This is exercised by test_verifier's "non-invalid fp arithmetic"

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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David Miller 2018-11-26 14:52:18 -08:00 • committed by Alexei Starovoitov

parent c44768a33d

commit e2ac579a7a

1 changed files with 12 additions and 0 deletions

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arch/sparc/net/bpf_jit_comp_64.c

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