diff options
Diffstat (limited to 'drivers/rpmsg')
| -rw-r--r-- | drivers/rpmsg/mtk_rpmsg.c | 2 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_glink_native.c | 10 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_glink_ssr.c | 2 | ||||
| -rw-r--r-- | drivers/rpmsg/qcom_smd.c | 9 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_char.c | 7 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_core.c | 3 | ||||
| -rw-r--r-- | drivers/rpmsg/rpmsg_internal.h | 4 |
7 files changed, 20 insertions, 17 deletions
diff --git a/drivers/rpmsg/mtk_rpmsg.c b/drivers/rpmsg/mtk_rpmsg.c index 5b4404b8be4c..d1213c33da20 100644 --- a/drivers/rpmsg/mtk_rpmsg.c +++ b/drivers/rpmsg/mtk_rpmsg.c @@ -234,7 +234,9 @@ static void mtk_register_device_work_function(struct work_struct *register_work) if (info->registered) continue; + mutex_unlock(&subdev->channels_lock); ret = mtk_rpmsg_register_device(subdev, &info->info); + mutex_lock(&subdev->channels_lock); if (ret) { dev_err(&pdev->dev, "Can't create rpmsg_device\n"); continue; diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 07586514991f..115c0a1eddb1 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -98,8 +98,6 @@ struct glink_core_rx_intent { struct qcom_glink { struct device *dev; - const char *name; - struct mbox_client mbox_client; struct mbox_chan *mbox_chan; @@ -1546,7 +1544,7 @@ static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid) cancel_work_sync(&channel->intent_work); if (channel->rpdev) { - strncpy(chinfo.name, channel->name, sizeof(chinfo.name)); + strscpy_pad(chinfo.name, channel->name, sizeof(chinfo.name)); chinfo.src = RPMSG_ADDR_ANY; chinfo.dst = RPMSG_ADDR_ANY; @@ -1674,7 +1672,7 @@ static ssize_t rpmsg_name_show(struct device *dev, if (ret < 0) name = dev->of_node->name; - return snprintf(buf, RPMSG_NAME_SIZE, "%s\n", name); + return sysfs_emit(buf, "%s\n", name); } static DEVICE_ATTR_RO(rpmsg_name); @@ -1755,10 +1753,6 @@ struct qcom_glink *qcom_glink_native_probe(struct device *dev, if (ret) dev_err(dev, "failed to add groups\n"); - ret = of_property_read_string(dev->of_node, "label", &glink->name); - if (ret < 0) - glink->name = dev->of_node->name; - glink->mbox_client.dev = dev; glink->mbox_client.knows_txdone = true; glink->mbox_chan = mbox_request_channel(&glink->mbox_client, 0); diff --git a/drivers/rpmsg/qcom_glink_ssr.c b/drivers/rpmsg/qcom_glink_ssr.c index dea929c6045d..776d64446879 100644 --- a/drivers/rpmsg/qcom_glink_ssr.c +++ b/drivers/rpmsg/qcom_glink_ssr.c @@ -39,7 +39,7 @@ struct cleanup_done_msg { __le32 seq_num; }; -/** +/* * G-Link SSR protocol commands */ #define GLINK_SSR_DO_CLEANUP 0 diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 1957b27c4cf3..1044cf03c542 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -729,11 +729,11 @@ static int qcom_smd_write_fifo(struct qcom_smd_channel *channel, } /** - * qcom_smd_send - write data to smd channel + * __qcom_smd_send - write data to smd channel * @channel: channel handle * @data: buffer of data to write * @len: number of bytes to write - * @wait: flag to indicate if write has ca wait + * @wait: flag to indicate if write can wait * * This is a blocking write of len bytes into the channel's tx ring buffer and * signal the remote end. It will sleep until there is enough space available @@ -1089,7 +1089,7 @@ static int qcom_smd_create_device(struct qcom_smd_channel *channel) /* Assign public information to the rpmsg_device */ rpdev = &qsdev->rpdev; - strncpy(rpdev->id.name, channel->name, RPMSG_NAME_SIZE); + strscpy_pad(rpdev->id.name, channel->name, RPMSG_NAME_SIZE); rpdev->src = RPMSG_ADDR_ANY; rpdev->dst = RPMSG_ADDR_ANY; @@ -1323,7 +1323,7 @@ static void qcom_channel_state_worker(struct work_struct *work) spin_unlock_irqrestore(&edge->channels_lock, flags); - strncpy(chinfo.name, channel->name, sizeof(chinfo.name)); + strscpy_pad(chinfo.name, channel->name, sizeof(chinfo.name)); chinfo.src = RPMSG_ADDR_ANY; chinfo.dst = RPMSG_ADDR_ANY; rpmsg_unregister_device(&edge->dev, &chinfo); @@ -1383,6 +1383,7 @@ static int qcom_smd_parse_edge(struct device *dev, } edge->ipc_regmap = syscon_node_to_regmap(syscon_np); + of_node_put(syscon_np); if (IS_ERR(edge->ipc_regmap)) { ret = PTR_ERR(edge->ipc_regmap); goto put_node; diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c index b6183d4f62a2..4f2189111494 100644 --- a/drivers/rpmsg/rpmsg_char.c +++ b/drivers/rpmsg/rpmsg_char.c @@ -120,8 +120,11 @@ static int rpmsg_eptdev_open(struct inode *inode, struct file *filp) struct rpmsg_device *rpdev = eptdev->rpdev; struct device *dev = &eptdev->dev; - if (eptdev->ept) + mutex_lock(&eptdev->ept_lock); + if (eptdev->ept) { + mutex_unlock(&eptdev->ept_lock); return -EBUSY; + } get_device(dev); @@ -137,11 +140,13 @@ static int rpmsg_eptdev_open(struct inode *inode, struct file *filp) if (!ept) { dev_err(dev, "failed to open %s\n", eptdev->chinfo.name); put_device(dev); + mutex_unlock(&eptdev->ept_lock); return -EINVAL; } eptdev->ept = ept; filp->private_data = eptdev; + mutex_unlock(&eptdev->ept_lock); return 0; } diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index 290c1f02da10..d6dde00efdae 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -604,7 +604,7 @@ int rpmsg_register_device_override(struct rpmsg_device *rpdev, int ret; if (driver_override) - strcpy(rpdev->id.name, driver_override); + strscpy_pad(rpdev->id.name, driver_override, RPMSG_NAME_SIZE); dev_set_name(dev, "%s.%s.%d.%d", dev_name(dev->parent), rpdev->id.name, rpdev->src, rpdev->dst); @@ -618,6 +618,7 @@ int rpmsg_register_device_override(struct rpmsg_device *rpdev, strlen(driver_override)); if (ret) { dev_err(dev, "device_set_override failed: %d\n", ret); + put_device(dev); return ret; } } diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index a22cd4abe7d1..39b646d0d40d 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -41,8 +41,8 @@ struct rpmsg_device_ops { rpmsg_rx_cb_t cb, void *priv, struct rpmsg_channel_info chinfo); - int (*announce_create)(struct rpmsg_device *ept); - int (*announce_destroy)(struct rpmsg_device *ept); + int (*announce_create)(struct rpmsg_device *rpdev); + int (*announce_destroy)(struct rpmsg_device *rpdev); }; /** |