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Subject[PATCH 03/12] mac_addr: avoid 64-bit arch compiler warnings
By returning unsigned long long, mac_addr does not generate compiler
warnings on 64-bit architectures.

Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
---
drivers/block/aoe/aoe.h | 2 +-
drivers/block/aoe/aoeblk.c | 3 +--
drivers/block/aoe/aoecmd.c | 10 +++++-----
drivers/block/aoe/aoenet.c | 4 ++--
4 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 069f04c..f085465 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -208,4 +208,4 @@ void aoenet_xmit(struct sk_buff *);
int is_aoe_netif(struct net_device *ifp);
int set_aoe_iflist(const char __user *str, size_t size);

-u64 mac_addr(char addr[6]);
+unsigned long long mac_addr(char addr[6]);
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index f6773ab..c9cf576 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -32,8 +32,7 @@ static ssize_t aoedisk_show_mac(struct gendisk * disk, char *page)

if (t == NULL)
return snprintf(page, PAGE_SIZE, "none\n");
- return snprintf(page, PAGE_SIZE, "%012llx\n",
- (unsigned long long)mac_addr(t->addr));
+ return snprintf(page, PAGE_SIZE, "%012llx\n", mac_addr(t->addr));
}
static ssize_t aoedisk_show_netif(struct gendisk * disk, char *page)
{
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 8a3a973..62ba58c 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -305,7 +305,8 @@ resend(struct aoedev *d, struct aoetgt *t, struct frame *f)
snprintf(buf, sizeof buf,
"%15s e%ld.%d oldtag=%08x@%08lx newtag=%08x s=%012llx d=%012llx nout=%d\n",
"retransmit", d->aoemajor, d->aoeminor, f->tag, jiffies, n,
- mac_addr(h->src), mac_addr(h->dst), t->nout);
+ mac_addr(h->src),
+ mac_addr(h->dst), t->nout);
aoechr_error(buf);

f->tag = n;
@@ -616,7 +617,7 @@ ataid_complete(struct aoedev *d, struct aoetgt *t, unsigned char *id)

if (d->ssize != ssize)
printk(KERN_INFO "aoe: %012llx e%lu.%lu v%04x has %llu sectors\n",
- (unsigned long long)mac_addr(t->addr),
+ mac_addr(t->addr),
d->aoemajor, d->aoeminor,
d->fw_ver, (long long)ssize);
d->ssize = ssize;
@@ -710,8 +711,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
t = gettgt(d, hin->src);
if (t == NULL) {
printk(KERN_INFO "aoe: can't find target e%ld.%d:%012llx\n",
- d->aoemajor, d->aoeminor,
- (unsigned long long) mac_addr(hin->src));
+ d->aoemajor, d->aoeminor, mac_addr(hin->src));
spin_unlock_irqrestore(&d->lock, flags);
return;
}
@@ -988,7 +988,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
printk(KERN_INFO
"aoe: e%ld.%d: setting %d byte data frames on %s:%012llx\n",
d->aoemajor, d->aoeminor, n, ifp->nd->name,
- (unsigned long long) mac_addr(t->addr));
+ mac_addr(t->addr));
ifp->maxbcnt = n;
}
}
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index f335099..d2c1a47 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -82,7 +82,7 @@ set_aoe_iflist(const char __user *user_str, size_t size)
return 0;
}

-u64
+unsigned long long
mac_addr(char addr[6])
{
__be64 n = 0;
@@ -90,7 +90,7 @@ mac_addr(char addr[6])

memcpy(p + 2, addr, 6); /* (sizeof addr != 6) */

- return __be64_to_cpu(n);
+ return (unsigned long long) __be64_to_cpu(n);
}

void
--
1.5.2.1
-
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