diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-03-19 11:24:50 +0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-03-22 09:36:46 +0100 |
| commit | 6b3c74550224c3be24c4cf6ab8c333602b458bff (patch) | |
| tree | f73d4cd3f70722e04b21072d5fb2177ab642e667 /drivers/net/wwan/qcom_bam_dmux.c | |
| parent | 8fd36358ce82382519b50b05f437493e1e00c4a9 (diff) | |
net: wwan: qcom_bam_dmux: fix wrong pointer passed to IS_ERR()
It should check dmux->tx after calling dma_request_chan().
Fixes: 21a0ffd9b38c ("net: wwan: Add Qualcomm BAM-DMUX WWAN network driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20220319032450.3288224-1-yangyingliang@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/wwan/qcom_bam_dmux.c')
| -rw-r--r-- | drivers/net/wwan/qcom_bam_dmux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wwan/qcom_bam_dmux.c b/drivers/net/wwan/qcom_bam_dmux.c index 5dfa2eba6014..17d46f4d2913 100644 --- a/drivers/net/wwan/qcom_bam_dmux.c +++ b/drivers/net/wwan/qcom_bam_dmux.c @@ -755,7 +755,7 @@ static int __maybe_unused bam_dmux_runtime_resume(struct device *dev) return 0; dmux->tx = dma_request_chan(dev, "tx"); - if (IS_ERR(dmux->rx)) { + if (IS_ERR(dmux->tx)) { dev_err(dev, "Failed to request TX DMA channel: %pe\n", dmux->tx); dmux->tx = NULL; bam_dmux_runtime_suspend(dev); |