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| author | Bo Liu <liubo03@inspur.com> | 2022-07-07 21:59:48 -0400 |
|---|---|---|
| committer | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2022-07-09 11:57:54 +0530 |
| commit | 2ebb36ea41a7aaabacd03a48292ca91ed0306453 (patch) | |
| tree | 44de9a317f406d04c68608e3e0cde8f26dca2ebc /drivers/bus/mhi | |
| parent | 2113651ddf3d0689a8b25461adf038e9d4c8a7cb (diff) | |
| download | linux-2ebb36ea41a7aaabacd03a48292ca91ed0306453.tar.gz linux-2ebb36ea41a7aaabacd03a48292ca91ed0306453.tar.bz2 linux-2ebb36ea41a7aaabacd03a48292ca91ed0306453.zip | |
bus: mhi: ep: Check dev_set_name() return value
It's possible that dev_set_name() returns -ENOMEM, catch and handle this.
Signed-off-by: Bo Liu <liubo03@inspur.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220708015948.4091-1-liubo03@inspur.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'drivers/bus/mhi')
| -rw-r--r-- | drivers/bus/mhi/ep/main.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c index 40109a79017a..1dc8a3557a46 100644 --- a/drivers/bus/mhi/ep/main.c +++ b/drivers/bus/mhi/ep/main.c @@ -1242,9 +1242,13 @@ static int mhi_ep_create_device(struct mhi_ep_cntrl *mhi_cntrl, u32 ch_id) /* Channel name is same for both UL and DL */ mhi_dev->name = mhi_chan->name; - dev_set_name(&mhi_dev->dev, "%s_%s", + ret = dev_set_name(&mhi_dev->dev, "%s_%s", dev_name(&mhi_cntrl->mhi_dev->dev), mhi_dev->name); + if (ret) { + put_device(&mhi_dev->dev); + return ret; + } ret = device_add(&mhi_dev->dev); if (ret) @@ -1408,7 +1412,10 @@ int mhi_ep_register_controller(struct mhi_ep_cntrl *mhi_cntrl, goto err_free_irq; } - dev_set_name(&mhi_dev->dev, "mhi_ep%u", mhi_cntrl->index); + ret = dev_set_name(&mhi_dev->dev, "mhi_ep%u", mhi_cntrl->index); + if (ret) + goto err_put_dev; + mhi_dev->name = dev_name(&mhi_dev->dev); mhi_cntrl->mhi_dev = mhi_dev; |