Linux ARM-MSM sub-architecture
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From: Wei Yongjun <weiyongjun1@huawei.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	Hemant Kumar <hemantk@codeaurora.org>,
	Jeffrey Hugo <jhugo@codeaurora.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	Sujeev Dias <sdias@codeaurora.org>,
	Siddartha Mohanadoss <smohanad@codeaurora.org>
Cc: Wei Yongjun <weiyongjun1@huawei.com>,
	<linux-arm-msm@vger.kernel.org>,
	<kernel-janitors@vger.kernel.org>, Hulk Robot <hulkci@huawei.com>
Subject: [PATCH -next] bus: mhi: core: Fix some error return code
Date: Sat, 9 May 2020 07:56:54 +0000	[thread overview]
Message-ID: <20200509075654.175002-1-weiyongjun1@huawei.com> (raw)

Fix to return negative error code from the error handling case
instead of 0 in mhi_init_dev_ctxt() and mhi_driver_probe().

Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/bus/mhi/core/init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
index eb2ab058a01d..1f8c82603179 100644
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -291,6 +291,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl)
 	}
 
 	/* Setup cmd context */
+	ret = -ENOMEM;
 	mhi_ctxt->cmd_ctxt = mhi_alloc_coherent(mhi_cntrl,
 						sizeof(*mhi_ctxt->cmd_ctxt) *
 						NR_OF_CMD_RINGS,
@@ -1100,6 +1101,7 @@ static int mhi_driver_probe(struct device *dev)
 		}
 	}
 
+	ret = -EINVAL;
 	if (dl_chan) {
 		/*
 		 * If channel supports LPM notifications then status_cb should




             reply	other threads:[~2020-05-09  7:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-09  7:56 Wei Yongjun [this message]
2020-05-11 10:31 ` [PATCH -next] bus: mhi: core: Fix some error return code Manivannan Sadhasivam
2020-05-11 14:26   ` AW: " Walter Harms
2020-05-11 14:56     ` Manivannan Sadhasivam
2020-05-11 18:43     ` Dan Carpenter

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