diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2015-01-10 22:07:16 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-25 17:17:56 (GMT) |
| commit | 79563db9ddd37908343103debf20da716ccc5ce4 (patch) | |
| tree | 4592508aac9c692292db1fa13a622afe62e3a8dd /drivers/misc/mei/amthif.c | |
| parent | 3542f6b1836d8940615104e22248bb9b7cf54f5f (diff) | |
| download | linux-79563db9ddd37908343103debf20da716ccc5ce4.tar.xz | |
mei: add reference counting for me clients
To support dynamic addition and removal of
me clients we add reference counter.
Update kdoc with locking requirements.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/amthif.c')
| -rw-r--r-- | drivers/misc/mei/amthif.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index 79f53941..c4cb9a9 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -97,23 +97,25 @@ int mei_amthif_host_init(struct mei_device *dev) /* allocate storage for ME message buffer */ msg_buf = kcalloc(dev->iamthif_mtu, sizeof(unsigned char), GFP_KERNEL); - if (!msg_buf) - return -ENOMEM; + if (!msg_buf) { + ret = -ENOMEM; + goto out; + } dev->iamthif_msg_buf = msg_buf; ret = mei_cl_link(cl, MEI_IAMTHIF_HOST_CLIENT_ID); - if (ret < 0) { - dev_err(dev->dev, - "amthif: failed link client %d\n", ret); - return ret; + dev_err(dev->dev, "amthif: failed cl_link %d\n", ret); + goto out; } ret = mei_cl_connect(cl, NULL); dev->iamthif_state = MEI_IAMTHIF_IDLE; +out: + mei_me_cl_put(me_cl); return ret; } |