[PATCH] aoe 6/12: Alexey Dobriyan sparse cleanup

Alexey Dobriyan sparse cleanup

Signed-off-by: Alexey Dobriyan <adobriyan@mail.ru>
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 32 insertions, 38 deletions

diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index cb5dca3ce9f5..d3b0e2ca151a 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -39,13 +39,13 @@ enum {
 struct aoe_hdr {
         unsigned char dst[6];
         unsigned char src[6];
-        unsigned char type[2];
+        __be16 type;
         unsigned char verfl;
         unsigned char err;
-        unsigned char major[2];
+        __be16 major;
         unsigned char minor;
         unsigned char cmd;
-        unsigned char tag[4];
+        __be32 tag;
 };
 
 struct aoe_atahdr {
@@ -63,8 +63,8 @@ struct aoe_atahdr {
 };
 
 struct aoe_cfghdr {
-        unsigned char bufcnt[2];
-        unsigned char fwver[2];
+        __be16 bufcnt;
+        __be16 fwver;
         unsigned char res;
         unsigned char aoeccmd;
         unsigned char cslen[2];
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 5d437697c368..f810bd6bf87f 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -90,19 +90,16 @@ newtag(struct aoedev *d)
 static int
 aoehdr_atainit(struct aoedev *d, struct aoe_hdr *h)
 {
-        u16 type = __constant_cpu_to_be16(ETH_P_AOE);
-        u16 aoemajor = __cpu_to_be16(d->aoemajor);
         u32 host_tag = newtag(d);
-        u32 tag = __cpu_to_be32(host_tag);
 
         memcpy(h->src, d->ifp->dev_addr, sizeof h->src);
         memcpy(h->dst, d->addr, sizeof h->dst);
-        memcpy(h->type, &type, sizeof type);
+        h->type = __constant_cpu_to_be16(ETH_P_AOE);
         h->verfl = AOE_HVER;
-        memcpy(h->major, &aoemajor, sizeof aoemajor);
+        h->major = cpu_to_be16(d->aoemajor);
         h->minor = d->aoeminor;
         h->cmd = AOECMD_ATA;
-        memcpy(h->tag, &tag, sizeof tag);
+        h->tag = cpu_to_be32(host_tag);
 
         return host_tag;
 }
@@ -215,7 +212,6 @@ rexmit(struct aoedev *d, struct frame *f)
         struct aoe_hdr *h;
         char buf[128];
         u32 n;
-        u32 net_tag;
 
         n = newtag(d);
 
@@ -227,8 +223,7 @@ rexmit(struct aoedev *d, struct frame *f)
 
         h = (struct aoe_hdr *) f->data;
         f->tag = n;
-        net_tag = __cpu_to_be32(n);
-        memcpy(h->tag, &net_tag, sizeof net_tag);
+        h->tag = cpu_to_be32(n);
 
         skb = skb_prepare(d, f);
         if (skb) {
@@ -308,16 +303,16 @@ ataid_complete(struct aoedev *d, unsigned char *id)
         u16 n;
 
         /* word 83: command set supported */
-        n = __le16_to_cpu(*((u16 *) &id[83<<1]));
+        n = le16_to_cpup((__le16 *) &id[83<<1]);
 
         /* word 86: command set/feature enabled */
-        n |= __le16_to_cpu(*((u16 *) &id[86<<1]));
+        n |= le16_to_cpup((__le16 *) &id[86<<1]);
 
         if (n & (1<<10)) {      /* bit 10: LBA 48 */
                 d->flags |= DEVFL_EXT;
 
                 /* word 100: number lba48 sectors */
-                ssize = __le64_to_cpu(*((u64 *) &id[100<<1]));
+                ssize = le64_to_cpup((__le64 *) &id[100<<1]);
 
                 /* set as in ide-disk.c:init_idedisk_capacity */
                 d->geo.cylinders = ssize;
@@ -328,12 +323,12 @@ ataid_complete(struct aoedev *d, unsigned char *id)
                 d->flags &= ~DEVFL_EXT;
 
                 /* number lba28 sectors */
-                ssize = __le32_to_cpu(*((u32 *) &id[60<<1]));
+                ssize = le32_to_cpup((__le32 *) &id[60<<1]);
 
                 /* NOTE: obsolete in ATA 6 */
-                d->geo.cylinders = __le16_to_cpu(*((u16 *) &id[54<<1]));
-                d->geo.heads = __le16_to_cpu(*((u16 *) &id[55<<1]));
-                d->geo.sectors = __le16_to_cpu(*((u16 *) &id[56<<1]));
+                d->geo.cylinders = le16_to_cpup((__le16 *) &id[54<<1]);
+                d->geo.heads = le16_to_cpup((__le16 *) &id[55<<1]);
+                d->geo.sectors = le16_to_cpup((__le16 *) &id[56<<1]);
         }
         d->ssize = ssize;
         d->geo.start = 0;
@@ -383,7 +378,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
         u16 aoemajor;
 
         hin = (struct aoe_hdr *) skb->mac.raw;
-        aoemajor = __be16_to_cpu(*((u16 *) hin->major));
+        aoemajor = be16_to_cpu(hin->major);
         d = aoedev_by_aoeaddr(aoemajor, hin->minor);
         if (d == NULL) {
                 snprintf(ebuf, sizeof ebuf, "aoecmd_ata_rsp: ata response "
@@ -395,15 +390,15 @@ aoecmd_ata_rsp(struct sk_buff *skb)
 
         spin_lock_irqsave(&d->lock, flags);
 
-        f = getframe(d, __be32_to_cpu(*((u32 *) hin->tag)));
+        f = getframe(d, be32_to_cpu(hin->tag));
         if (f == NULL) {
                 spin_unlock_irqrestore(&d->lock, flags);
                 snprintf(ebuf, sizeof ebuf,
                         "%15s e%d.%d    tag=%08x@%08lx\n",
                         "unexpected rsp",
-                        __be16_to_cpu(*((u16 *) hin->major)),
+                        be16_to_cpu(hin->major),
                         hin->minor,
-                        __be32_to_cpu(*((u32 *) hin->tag)),
+                        be32_to_cpu(hin->tag),
                         jiffies);
                 aoechr_error(ebuf);
                 return;
@@ -453,7 +448,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
                         printk(KERN_INFO "aoe: aoecmd_ata_rsp: unrecognized "
                                "outbound ata command %2.2Xh for %d.%d\n", 
                                ahout->cmdstat,
-                               __be16_to_cpu(*((u16 *) hin->major)),
+                               be16_to_cpu(hin->major),
                                hin->minor);
                 }
         }
@@ -487,8 +482,6 @@ aoecmd_cfg(ushort aoemajor, unsigned char aoeminor)
         struct aoe_cfghdr *ch;
         struct sk_buff *skb, *sl;
         struct net_device *ifp;
-        u16 aoe_type = __constant_cpu_to_be16(ETH_P_AOE);
-        u16 net_aoemajor = __cpu_to_be16(aoemajor);
 
         sl = NULL;
 
@@ -508,9 +501,9 @@ aoecmd_cfg(ushort aoemajor, unsigned char aoeminor)
 
                 memset(h->dst, 0xff, sizeof h->dst);
                 memcpy(h->src, ifp->dev_addr, sizeof h->src);
-                memcpy(h->type, &aoe_type, sizeof aoe_type);
+                h->type = __constant_cpu_to_be16(ETH_P_AOE);
                 h->verfl = AOE_HVER;
-                memcpy(h->major, &net_aoemajor, sizeof net_aoemajor);
+                h->major = cpu_to_be16(aoemajor);
                 h->minor = aoeminor;
                 h->cmd = AOECMD_CFG;
 
@@ -576,7 +569,8 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
         struct aoedev *d;
         struct aoe_hdr *h;
         struct aoe_cfghdr *ch;
-        ulong flags, bufcnt, sysminor, aoemajor;
+        ulong flags, sysminor, aoemajor;
+        u16 bufcnt;
         struct sk_buff *sl;
         enum { MAXFRAMES = 8 };
 
@@ -587,7 +581,7 @@ 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(*((u16 *) h->major));
+        aoemajor = be16_to_cpu(h->major);
         if (aoemajor == 0xfff) {
                 printk(KERN_CRIT "aoe: aoecmd_cfg_rsp: Warning: shelf "
                         "address is all ones.  Check shelf dip switches\n");
@@ -602,7 +596,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
                 return;
         }
 
-        bufcnt = __be16_to_cpu(*((u16 *) ch->bufcnt));
+        bufcnt = be16_to_cpu(ch->bufcnt);
         if (bufcnt > MAXFRAMES) /* keep it reasonable */
                 bufcnt = MAXFRAMES;
 
@@ -619,7 +613,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
                 return;
         }
 
-        d->fw_ver = __be16_to_cpu(*((u16 *) ch->fwver));
+        d->fw_ver = be16_to_cpu(ch->fwver);
 
         /* we get here only if the device is new */
         sl = aoecmd_ata_id(d);
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index cc1945b8d52b..bc92aacb6dad 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -69,7 +69,7 @@ set_aoe_iflist(const char __user *user_str, size_t size)
 u64
 mac_addr(char addr[6])
 {
-        u64 n = 0;
+        __be64 n = 0;
         char *p = (char *) &n;
 
         memcpy(p + 2, addr, 6); /* (sizeof addr != 6) */
@@ -108,7 +108,7 @@ static int
 aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt)
 {
         struct aoe_hdr *h;
-        ulong n;
+        u32 n;
 
         skb = skb_check(skb);
         if (!skb)
@@ -121,7 +121,7 @@ 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(*((u32 *) h->tag));
+        n = be32_to_cpu(h->tag);
         if ((h->verfl & AOEFL_RSP) == 0 || (n & 1<<31))
                 goto exit;
 
@@ -132,7 +132,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt)
                 if (net_ratelimit())
                         printk(KERN_ERR "aoe: aoenet_rcv: error packet from %d.%d; "
                                "ecode=%d '%s'\n",
-                               __be16_to_cpu(*((u16 *) h->major)), h->minor, 
+                               be16_to_cpu(h->major), h->minor, 
                                h->err, aoe_errlist[n]);
                 goto exit;
         }