Messages in this thread Patch in this message | | | From | Yang Yingliang <> | Subject | [PATCH -next] net: wwan: qcom_bam_dmux: fix wrong pointer passed to IS_ERR() | Date | Sat, 19 Mar 2022 11:24:50 +0800 |
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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> --- drivers/net/wwan/qcom_bam_dmux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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); -- 2.25.1
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