| Message ID | 6d24c1f9e79b6f61f5135eaf2ea1e8bcd4dac87b.1633464148.git.naveen.n.rao@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | powerpc/bpf: Various fixes | expand |
Le 05/10/2021 à 22:25, Naveen N. Rao a écrit : > Correct the destination register used for ALU32 BPF_ARSH operation. > > Fixes: 51c66ad849a703 ("powerpc/bpf: Implement extended BPF on PPC32") > Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > arch/powerpc/net/bpf_jit_comp32.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c > index a74d52204f8da2..519ecb9ab67266 100644 > --- a/arch/powerpc/net/bpf_jit_comp32.c > +++ b/arch/powerpc/net/bpf_jit_comp32.c > @@ -625,7 +625,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * > EMIT(PPC_RAW_LI(dst_reg_h, 0)); > break; > case BPF_ALU | BPF_ARSH | BPF_X: /* (s32) dst >>= src */ > - EMIT(PPC_RAW_SRAW(dst_reg_h, dst_reg, src_reg)); > + EMIT(PPC_RAW_SRAW(dst_reg, dst_reg, src_reg)); > break; > case BPF_ALU64 | BPF_ARSH | BPF_X: /* (s64) dst >>= src */ > bpf_set_seen_register(ctx, tmp_reg); >
diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c index a74d52204f8da2..519ecb9ab67266 100644 --- a/arch/powerpc/net/bpf_jit_comp32.c +++ b/arch/powerpc/net/bpf_jit_comp32.c @@ -625,7 +625,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * EMIT(PPC_RAW_LI(dst_reg_h, 0)); break; case BPF_ALU | BPF_ARSH | BPF_X: /* (s32) dst >>= src */ - EMIT(PPC_RAW_SRAW(dst_reg_h, dst_reg, src_reg)); + EMIT(PPC_RAW_SRAW(dst_reg, dst_reg, src_reg)); break; case BPF_ALU64 | BPF_ARSH | BPF_X: /* (s64) dst >>= src */ bpf_set_seen_register(ctx, tmp_reg);
Correct the destination register used for ALU32 BPF_ARSH operation. Fixes: 51c66ad849a703 ("powerpc/bpf: Implement extended BPF on PPC32") Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> --- arch/powerpc/net/bpf_jit_comp32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)