diff options
| author |   Ed Cashin <ecashin@coraid.com> | 2012-10-04 17:16:34 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-06 03:05:27 +0900 |
| commit | 1b86fda9adf1b691a76f8ceddfc59d0c8386257c (patch) | |
| tree | da4fcaa9696231ff7bd84b0614706aefca7d7d6c /drivers/block/aoe/aoedev.c | |
| parent | aoe: associate frames with the AoE storage target (diff) | |
| download | linux-dev-1b86fda9adf1b691a76f8ceddfc59d0c8386257c.tar.xz linux-dev-1b86fda9adf1b691a76f8ceddfc59d0c8386257c.zip | |
aoe: increase net_device reference count while using it
This change eliminates the danger that the user could rmmod the driver for
a network interface that is being used for AoE by the aoe driver.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/aoe/aoedev.c')
| -rw-r--r-- | drivers/block/aoe/aoedev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index 3968fe6c0077..6be7b3858340 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -295,6 +295,13 @@ freetgt(struct aoedev *d, struct aoetgt *t) { struct frame *f; struct list_head *pos, *nx, *head; + struct aoeif *ifp; + + for (ifp = t->ifs; ifp < &t->ifs[NAOEIFS]; ++ifp) { + if (!ifp->nd) + break; + dev_put(ifp->nd); + } head = &t->ffree; list_for_each_safe(pos, nx, head) { |