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authorYi Yang <yi.y.yang@intel.com>2017-08-25 12:02:49 +0800
committerBen Pfaff <blp@ovn.org>2017-08-29 08:31:51 -0700
commitbce693e72a4488866dd333a09f94e768dcd8ebaf (patch)
tree8ae236d5e673ad1e0bf5f3122d725c23e0ef3fd8 /include/openvswitch/nsh.h
parent75f9e007e7f7eb91461e238f882d1c539c56bb8d (diff)
downloadopenvswitch-bce693e72a4488866dd333a09f94e768dcd8ebaf.tar.gz
nsh: fix an implicit bug in nsh_hdr_len
Operator '*' will be executed prior to operator '>>', but we expect operator '>>' is executed prior to '*', this patch fixed the issue. Signed-off-by: Yi Yang <yi.y.yang@intel.com> Signed-off-by: Ben Pfaff <blp@ovn.org>
Diffstat (limited to 'include/openvswitch/nsh.h')
-rw-r--r--include/openvswitch/nsh.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/openvswitch/nsh.h b/include/openvswitch/nsh.h
index f4ccadcdc..a3611d089 100644
--- a/include/openvswitch/nsh.h
+++ b/include/openvswitch/nsh.h
@@ -113,7 +113,7 @@ struct nsh_hdr {
static inline uint16_t
nsh_hdr_len(const struct nsh_hdr *nsh)
{
- return 4 * (ntohs(nsh->ver_flags_len) & NSH_LEN_MASK) >> NSH_LEN_SHIFT;
+ return ((ntohs(nsh->ver_flags_len) & NSH_LEN_MASK) >> NSH_LEN_SHIFT) << 2;
}
static inline struct nsh_md1_ctx *