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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-11 15:39:38 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-11 15:39:38 +0200 |
| commit | 8af4b3d7044d83c5426da6e45a9c7948bc7fa231 (patch) | |
| tree | 76e15a6cea6b526fe30c679f6e9bf60b08acf983 /drivers/block/nbd.c | |
| parent | a5950f2617f71a3dce16520c4907bcdb31e654ba (diff) | |
| parent | c2ebf788f927dcca72beead19fab5f5aba79a098 (diff) | |
Merge branch 'acpi-pm' into pm-sleep
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 2aa87cbdede0..883dfebd3014 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -820,9 +820,13 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx, * appropriate. */ ret = nbd_handle_cmd(cmd, hctx->queue_num); + if (ret < 0) + ret = BLK_STS_IOERR; + else if (!ret) + ret = BLK_STS_OK; complete(&cmd->send_complete); - return ret < 0 ? BLK_STS_IOERR : BLK_STS_OK; + return ret; } static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg, @@ -1194,6 +1198,12 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode, if (!capable(CAP_SYS_ADMIN)) return -EPERM; + /* The block layer will pass back some non-nbd ioctls in case we have + * special handling for them, but we don't so just return an error. + */ + if (_IOC_TYPE(cmd) != 0xab) + return -EINVAL; + mutex_lock(&nbd->config_lock); /* Don't allow ioctl operations on a nbd device that was created with |