s390/bpf: Fix ALU_NEG (A = -A)

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Currently the LOAD NEGATIVE (lnr) instruction is used for ALU_NEG. This
instruction always loads the negative value. Therefore, if A is already
negative, it remains unchanged. To fix this use LOAD COMPLEMENT (lcr)
instead.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Michael Holzheu 2015-01-08 14:36:21 +01:00 • committed by Martin Schwidefsky

parent fbc89c952f

commit df3eed3d28

1 changed files with 2 additions and 2 deletions

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arch/s390/net/bpf_jit_comp.c

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