44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: "Yew, Chang Ching" <chang.ching.yew@intel.com>
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Date: Fri, 16 Nov 2018 09:39:50 +0800
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Subject: [PATCH] ipu: virtio: Null ptr check of intel_ipu4_virtio_msg_parse()
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parameter
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Change-Id: Id732e7736bdc901502c8604b7c73f452e02a6e5e
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Signed-off-by: Yew, Chang Ching <chang.ching.yew@intel.com>
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---
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.../pci/intel/virtio/intel-ipu4-virtio-be-bridge.c | 10 ++++++----
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1 file changed, 6 insertions(+), 4 deletions(-)
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diff --git a/drivers/media/pci/intel/virtio/intel-ipu4-virtio-be-bridge.c b/drivers/media/pci/intel/virtio/intel-ipu4-virtio-be-bridge.c
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index 3b5eae651026..aff563bea39d 100644
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--- a/drivers/media/pci/intel/virtio/intel-ipu4-virtio-be-bridge.c
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+++ b/drivers/media/pci/intel/virtio/intel-ipu4-virtio-be-bridge.c
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@@ -20,7 +20,12 @@
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int intel_ipu4_virtio_msg_parse(struct ipu4_virtio_req_info *req_info)
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{
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int ret = 0;
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- struct ipu4_virtio_req *req = req_info->request;
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+ struct ipu4_virtio_req *req;
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+
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+ if (!req_info)
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+ return -1;
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+
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+ req = req_info->request;
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if (!req) {
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pr_err("IPU mediator: request is NULL\n");
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@@ -32,9 +37,6 @@ int intel_ipu4_virtio_msg_parse(struct ipu4_virtio_req_info *req_info)
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return -EINVAL;
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}
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- if (!req_info)
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- return -1;
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-
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switch (req->cmd) {
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case IPU4_CMD_POLL:
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/*
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--
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https://clearlinux.org
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