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authorHarvey Harrison <harvey.harrison@gmail.com>2008-09-22 19:20:51 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-22 19:20:51 -0700
commitd48abfecea8513cfd2fd7e341439c1b8a28e9ff4 (patch)
treedc072211551a04a25ad50012f56dcb0fe5fa266d /net/sched/em_cmp.c
parentirda: follow lspci device/vendor style (diff)
downloadlinux-dev-d48abfecea8513cfd2fd7e341439c1b8a28e9ff4.tar.xz
linux-dev-d48abfecea8513cfd2fd7e341439c1b8a28e9ff4.zip
net: em_cmp.c use unaligned access helpers
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/em_cmp.c')
-rw-r--r--net/sched/em_cmp.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/net/sched/em_cmp.c b/net/sched/em_cmp.c
index cc49c932641d..bc450397487a 100644
--- a/net/sched/em_cmp.c
+++ b/net/sched/em_cmp.c
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/tc_ematch/tc_em_cmp.h>
+#include <asm/unaligned.h>
#include <net/pkt_cls.h>
static inline int cmp_needs_transformation(struct tcf_em_cmp *cmp)
@@ -37,8 +38,7 @@ static int em_cmp_match(struct sk_buff *skb, struct tcf_ematch *em,
break;
case TCF_EM_ALIGN_U16:
- val = *ptr << 8;
- val |= *(ptr+1);
+ val = get_unaligned_be16(ptr);
if (cmp_needs_transformation(cmp))
val = be16_to_cpu(val);
@@ -47,10 +47,7 @@ static int em_cmp_match(struct sk_buff *skb, struct tcf_ematch *em,
case TCF_EM_ALIGN_U32:
/* Worth checking boundries? The branching seems
* to get worse. Visit again. */
- val = *ptr << 24;
- val |= *(ptr+1) << 16;
- val |= *(ptr+2) << 8;
- val |= *(ptr+3);
+ val = get_unaligned_be32(ptr);
if (cmp_needs_transformation(cmp))
val = be32_to_cpu(val);