1 files changed, 7 insertions, 9 deletions

diff --git a/drivers/net/ppp_deflate.c b/drivers/net/ppp_deflate.c
index 695bc83e0cfd..1dbdf82a6dfd 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.
@@ -128,7 +129,7 @@ static void *z_comp_alloc(unsigned char *options, int opt_len)
 
         state->strm.next_in   = NULL;
         state->w_size         = w_size;
-        state->strm.workspace = vmalloc(zlib_deflate_workspacesize());
+        state->strm.workspace = vmalloc(zlib_deflate_workspacesize(-w_size, 8));
         if (state->strm.workspace == NULL)
                 goto out_free;
 
@@ -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;
@@ -306,7 +305,7 @@ static void z_decomp_free(void *arg)
 
         if (state) {
                 zlib_inflateEnd(&state->strm);
-                kfree(state->strm.workspace);
+                vfree(state->strm.workspace);
                 kfree(state);
         }
 }
@@ -346,8 +345,7 @@ static void *z_decomp_alloc(unsigned char *options, int opt_len)
 
         state->w_size         = w_size;
         state->strm.next_out  = NULL;
-        state->strm.workspace = kmalloc(zlib_inflate_workspacesize(),
-                                        GFP_KERNEL|__GFP_REPEAT);
+        state->strm.workspace = vmalloc(zlib_inflate_workspacesize());
         if (state->strm.workspace == NULL)
                 goto out_free;
 
@@ -451,7 +449,7 @@ 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",