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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2958-drm-amdgpu-fix-NULL-err-for-sriov-detect.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2958-drm-amdgpu-fix-NULL-err-for-sriov-detect.patch45
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2958-drm-amdgpu-fix-NULL-err-for-sriov-detect.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2958-drm-amdgpu-fix-NULL-err-for-sriov-detect.patch
new file mode 100644
index 00000000..ecce1c14
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2958-drm-amdgpu-fix-NULL-err-for-sriov-detect.patch
@@ -0,0 +1,45 @@
+From a584f8ef9e031a9a250b401383ec77da2c8a3314 Mon Sep 17 00:00:00 2001
+From: Chunming Zhou <david1.zhou@amd.com>
+Date: Wed, 13 Dec 2017 17:02:03 +0800
+Subject: [PATCH 2958/4131] drm/amdgpu: fix NULL err for sriov detect
+
+[ 21.841536] BUG: KASAN: null-ptr-deref in soc15_set_ip_blocks+0x4f/0x2e0 [amdgpu]
+
+Change-Id: I182dfed95c362123a75feafe44fa2ad3f3f35cac
+Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/soc15.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
+index 388e754..56dec06 100644
+--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
++++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
+@@ -521,6 +521,11 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
+ return -EINVAL;
+ }
+
++ if (adev->flags & AMD_IS_APU)
++ adev->nbio_funcs = &nbio_v7_0_funcs;
++ else
++ adev->nbio_funcs = &nbio_v6_1_funcs;
++
+ adev->nbio_funcs->detect_hw_virt(adev);
+
+ if (amdgpu_sriov_vf(adev))
+@@ -611,11 +616,6 @@ static int soc15_common_early_init(void *handle)
+
+ adev->asic_funcs = &soc15_asic_funcs;
+
+- if (adev->flags & AMD_IS_APU)
+- adev->nbio_funcs = &nbio_v7_0_funcs;
+- else
+- adev->nbio_funcs = &nbio_v6_1_funcs;
+-
+ if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP) &&
+ (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_PSP)))
+ psp_enabled = true;
+--
+2.7.4
+