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s390/bpf: Fix JMP_JGE_X (A > X) and JMP_JGT_X (A >= X)
authorMichael Holzheu <holzheu@linux.vnet.ibm.com>
Thu, 8 Jan 2015 13:46:18 +0000 (14:46 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 9 Jan 2015 09:10:32 +0000 (10:10 +0100)
commitae750974591bb9431b1f84b1323dc2fb7d8fe360
tree4011215959e287ebd82bedc3141f312cfbf55c37tree | snapshot (tar.gz zip)
parentdf3eed3d282f2fe1ffb73d3545fcde4e9b80a0d3commit | diff
s390/bpf: Fix JMP_JGE_X (A > X) and JMP_JGT_X (A >= X)

Currently the signed COMPARE (cr) instruction is used to compare "A"
with "X". This is not correct because "A" and "X" are both unsigned.
To fix this use the unsigned COMPARE LOGICAL (clr) instruction instead.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/net/bpf_jit_comp.c diff | blob | blame | history