Commit 6b3c7455 authored by Yang Yingliang's avatar Yang Yingliang Committed by Paolo Abeni
Browse files

net: wwan: qcom_bam_dmux: fix wrong pointer passed to IS_ERR() 



It should check dmux->tx after calling dma_request_chan().

Fixes: 21a0ffd9 ("net: wwan: Add Qualcomm BAM-DMUX WWAN network driver")
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Reviewed-by: default avatarStephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20220319032450.3288224-1-yangyingliang@huawei.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 8fd36358

drivers/net/wwan/qcom_bam_dmux.c

+1 −1
Original line number Diff line number Diff line
@@ -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);