[PATCH] aoe: allow multiple aoe devices to have the same mac

allow multiple aoe devices to have the same mac

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

diff -u b/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index ec16c64dd114..6e231c5a1199 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -109,25 +109,22 @@ aoedev_set(ulong sysminor, unsigned char *addr, struct net_device *ifp, ulong bu
         spin_lock_irqsave(&devlist_lock, flags);
 
         for (d=devlist; d; d=d->next)
-                if (d->sysminor == sysminor
-                || memcmp(d->addr, addr, sizeof d->addr) == 0)
+                if (d->sysminor == sysminor)
                         break;
 
         if (d == NULL && (d = aoedev_newdev(bufcnt)) == NULL) {
                 spin_unlock_irqrestore(&devlist_lock, flags);
                 printk(KERN_INFO "aoe: aoedev_set: aoedev_newdev failure.\n");
                 return NULL;
-        }
+        } /* if newdev, (d->flags & DEVFL_UP) == 0 for below */
 
         spin_unlock_irqrestore(&devlist_lock, flags);
         spin_lock_irqsave(&d->lock, flags);
 
         d->ifp = ifp;
-
-        if (d->sysminor != sysminor
-        || (d->flags & DEVFL_UP) == 0) {
+        memcpy(d->addr, addr, sizeof d->addr);
+        if ((d->flags & DEVFL_UP) == 0) {
                 aoedev_downdev(d); /* flushes outstanding frames */
-                memcpy(d->addr, addr, sizeof d->addr);
                 d->sysminor = sysminor;
                 d->aoemajor = AOEMAJOR(sysminor);
                 d->aoeminor = AOEMINOR(sysminor);