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net: wwan: qcom_bam_dmux: fix wrong pointer passed to IS_ERR()
authorYang Yingliang <yangyingliang@huawei.com>
Sat, 19 Mar 2022 03:24:50 +0000 (11:24 +0800)
committerPaolo Abeni <pabeni@redhat.com>
Tue, 22 Mar 2022 08:36:46 +0000 (09:36 +0100)
commit6b3c74550224c3be24c4cf6ab8c333602b458bff
treef73d4cd3f70722e04b21072d5fb2177ab642e667
parent8fd36358ce82382519b50b05f437493e1e00c4a9
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>
drivers/net/wwan/qcom_bam_dmux.c