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authorMarkos Chandras <markos.chandras@imgtec.com>2014-06-23 10:38:47 +0100
committerRalf Baechle <ralf@linux-mips.org>2014-06-26 10:48:20 +0100
commit35a8e16abe36d385d602997e1500a668d2b9c5cf (patch)
tree4c7a736ab5d785012c3a84259d65fb2115eedce4 /arch/mips/net
parent84c68cbc667287dfd5eb793b6715c6d76a318e3f (diff)
MIPS: bpf: Use the LO register to get division's quotient
Reading from the HI register to get the division result is wrong. The quotient is placed in the LO register. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Daniel Borkmann <dborkman@redhat.com> Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: netdev@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7122/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/net')
-rw-r--r--arch/mips/net/bpf_jit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index f7c206404989..5cc92c4590cb 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -408,7 +408,7 @@ static inline void emit_div(unsigned int dst, unsigned int src,
u32 *p = &ctx->target[ctx->idx];
uasm_i_divu(&p, dst, src);
p = &ctx->target[ctx->idx + 1];
- uasm_i_mfhi(&p, dst);
+ uasm_i_mflo(&p, dst);
}
ctx->idx += 2; /* 2 insts */
}