aoe: 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>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 87df18b..aecaac3 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -198,4 +198,4 @@
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 c2649c9..deea536 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -37,8 +37,7 @@
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 device *dev,
struct device_attribute *attr, char *page)
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 5e7daa1..1be5150 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -309,7 +309,8 @@
"%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;
@@ -633,7 +634,7 @@
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;
@@ -727,8 +728,7 @@
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;
}
@@ -1003,7 +1003,7 @@
"aoe: e%ld.%d: setting %d%s%s:%012llx\n",
d->aoemajor, d->aoeminor, n,
" byte data frames on ", 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 7a38a45..ada4a06 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -83,7 +83,7 @@
return 0;
}
-u64
+unsigned long long
mac_addr(char addr[6])
{
__be64 n = 0;
@@ -91,7 +91,7 @@
memcpy(p + 2, addr, 6); /* (sizeof addr != 6) */
- return __be64_to_cpu(n);
+ return (unsigned long long) __be64_to_cpu(n);
}
void