net: ppp: use {get,put}_unaligned_be{16,32}

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Reviewed-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/net/ppp_deflate.c b/drivers/net/ppp_deflate.c
index 695bc83e0cfd..43583309a65d 100644
--- a/drivers/net/ppp_deflate.c
+++ b/drivers/net/ppp_deflate.c
@@ -41,6 +41,7 @@
 #include <linux/ppp-comp.h>
 
 #include <linux/zlib.h>
+#include <asm/unaligned.h>
 
 /*
  * State for a Deflate (de)compressor.
@@ -232,11 +233,9 @@ static int z_compress(void *arg, unsigned char *rptr, unsigned char *obuf,
          */
         wptr[0] = PPP_ADDRESS(rptr);
         wptr[1] = PPP_CONTROL(rptr);
-        wptr[2] = PPP_COMP >> 8;
-        wptr[3] = PPP_COMP;
+        put_unaligned_be16(PPP_COMP, wptr + 2);
         wptr += PPP_HDRLEN;
-        wptr[0] = state->seqno >> 8;
-        wptr[1] = state->seqno;
+        put_unaligned_be16(state->seqno, wptr);
         wptr += DEFLATE_OVHD;
         olen = PPP_HDRLEN + DEFLATE_OVHD;
         state->strm.next_out = wptr;
@@ -451,7 +450,7 @@ static int z_decompress(void *arg, unsigned char *ibuf, int isize,
         }
 
         /* Check the sequence number. */
-        seq = (ibuf[PPP_HDRLEN] << 8) + ibuf[PPP_HDRLEN+1];
+        seq = get_unaligned_be16(ibuf + PPP_HDRLEN);
         if (seq != (state->seqno & 0xffff)) {
                 if (state->debug)
                         printk(KERN_DEBUG "z_decompress%d: bad seq # %d, expected %d\n",