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authorWei Yongjun <weiyongjun1@huawei.com>2020-05-09 07:56:54 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-15 16:32:20 +0200
commit1ea34b2988554af8a83a44a0a8e5aaa9e5a60c64 (patch)
tree9155b3088809aa915d19cdf39790e35df9c4db7d
parent133317479f0324f6faaf797c4f5f3e9b1b36ce35 (diff)
bus: mhi: core: Fix some error return code
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> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20200509075654.175002-1-weiyongjun1@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/bus/mhi/core/init.c2
1 files changed, 2 insertions, 0 deletions
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