[AOE]: Add get_unaligned() calls where needed.

Based upon a report by Andrew Walrond.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 9 insertions, 8 deletions

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index bb022ed4a866..8d17d8df3662 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -530,7 +530,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
         u16 aoemajor;
 
         hin = (struct aoe_hdr *) skb->mac.raw;
-        aoemajor = be16_to_cpu(hin->major);
+        aoemajor = be16_to_cpu(get_unaligned(&hin->major));
         d = aoedev_by_aoeaddr(aoemajor, hin->minor);
         if (d == NULL) {
                 snprintf(ebuf, sizeof ebuf, "aoecmd_ata_rsp: ata response "
@@ -542,7 +542,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
 
         spin_lock_irqsave(&d->lock, flags);
 
-        n = be32_to_cpu(hin->tag);
+        n = be32_to_cpu(get_unaligned(&hin->tag));
         f = getframe(d, n);
         if (f == NULL) {
                 calc_rttavg(d, -tsince(n));
@@ -550,9 +550,9 @@ aoecmd_ata_rsp(struct sk_buff *skb)
                 snprintf(ebuf, sizeof ebuf,
                         "%15s e%d.%d    tag=%08x@%08lx\n",
                         "unexpected rsp",
-                        be16_to_cpu(hin->major),
+                        be16_to_cpu(get_unaligned(&hin->major)),
                         hin->minor,
-                        be32_to_cpu(hin->tag),
+                        be32_to_cpu(get_unaligned(&hin->tag)),
                         jiffies);
                 aoechr_error(ebuf);
                 return;
@@ -631,7 +631,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
                         printk(KERN_INFO
                                 "aoe: unrecognized ata command %2.2Xh for %d.%d\n",
                                 ahout->cmdstat,
-                                be16_to_cpu(hin->major),
+                                be16_to_cpu(get_unaligned(&hin->major)),
                                 hin->minor);
                 }
         }
@@ -733,7 +733,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
          * Enough people have their dip switches set backwards to
          * warrant a loud message for this special case.
          */
-        aoemajor = be16_to_cpu(h->major);
+        aoemajor = be16_to_cpu(get_unaligned(&h->major));
         if (aoemajor == 0xfff) {
                 printk(KERN_ERR "aoe: Warning: shelf address is all ones.  "
                         "Check shelf dip switches.\n");
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 9626e0f5da9d..aab6d91a2c22 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -8,6 +8,7 @@
 #include <linux/blkdev.h>
 #include <linux/netdevice.h>
 #include <linux/moduleparam.h>
+#include <asm/unaligned.h>
 #include "aoe.h"
 
 #define NECODES 5
@@ -123,7 +124,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
         skb_push(skb, ETH_HLEN);        /* (1) */
 
         h = (struct aoe_hdr *) skb->mac.raw;
-        n = be32_to_cpu(h->tag);
+        n = be32_to_cpu(get_unaligned(&h->tag));
         if ((h->verfl & AOEFL_RSP) == 0 || (n & 1<<31))
                 goto exit;
 
@@ -133,7 +134,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
                         n = 0;
                 if (net_ratelimit())
                         printk(KERN_ERR "aoe: error packet from %d.%d; ecode=%d '%s'\n",
-                               be16_to_cpu(h->major), h->minor, 
+                               be16_to_cpu(get_unaligned(&h->major)), h->minor,
                                h->err, aoe_errlist[n]);
                 goto exit;
         }