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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-10-05 09:30:10 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-10-05 09:30:10 +0200 |
| commit | 5d13379a4dba717fb75b749acc0f928c2c02db17 (patch) | |
| tree | ab5bf870206e6ea8e744390cdb37cb14f7e78257 /drivers/md/dm-log-userspace-transfer.c | |
| parent | 08dc8726d4be85bca793141c827574fd32a681bb (diff) | |
| parent | 374576a8b6f865022c0fd1ca62396889b23d66dd (diff) | |
Merge branch 'master' into for-2.6.33
Diffstat (limited to 'drivers/md/dm-log-userspace-transfer.c')
| -rw-r--r-- | drivers/md/dm-log-userspace-transfer.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c index ba0edad2d04..54abf9e303b 100644 --- a/drivers/md/dm-log-userspace-transfer.c +++ b/drivers/md/dm-log-userspace-transfer.c @@ -129,11 +129,13 @@ static int fill_pkg(struct cn_msg *msg, struct dm_ulog_request *tfr) * This is the connector callback that delivers data * that was sent from userspace. */ -static void cn_ulog_callback(void *data) +static void cn_ulog_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) { - struct cn_msg *msg = (struct cn_msg *)data; struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1); + if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN)) + return; + spin_lock(&receiving_list_lock); if (msg->len == 0) fill_pkg(msg, NULL); |