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(parent: 7d26bb1) | patch
x86 bpf_jit: fix a bug in emitting the 16-bit immediate operand of AND
authorzhuangfeiran@ict.ac.cn <zhuangfeiran@ict.ac.cn>
Wed, 28 Mar 2012 23:27:00 +0000 (23:27 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 29 Mar 2012 22:12:59 +0000 (18:12 -0400)
commit1d24fb3684f347226747c6b11ea426b7b992694e
treea55c7cdfcb751c20f5d89502d5f99127cd34acb9tree | snapshot
parent7d26bb103c4162003bfdf1d63aaa32b548ad0e9acommit | diff
x86 bpf_jit: fix a bug in emitting the 16-bit immediate operand of AND

When K >= 0xFFFF0000, AND needs the two least significant bytes of K as
its operand, but EMIT2() gives it the least significant byte of K and
0x2. EMIT() should be used here to replace EMIT2().

Signed-off-by: Feiran Zhuang <zhuangfeiran@ict.ac.cn>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/x86/net/bpf_jit_comp.c diff | blob | history
Domain: System / Kernel;