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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-02-22 07:44:15 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-02-22 07:44:15 -0300
commite6b377dbbb944d5e3ceef4e5d429fc5c841e3692 (patch)
treec84b714acad1ad20a0f0ea223dc019dd1267f4b6 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
parent9eeb0ed0f30938f31a3d9135a88b9502192c18dd (diff)
parentc470abd4fde40ea6a0846a2beab642a578c0b8cd (diff)
Merge tag 'v4.10' into patchwork
Linux 4.10 * tag 'v4.10': (1558 commits) Linux 4.10 Fix missing sanity check in /dev/sg scsi: don't BUG_ON() empty DMA transfers ipv6: release dst on error in ip6_dst_lookup_tail printk: use rcuidle console tracepoint ARM: multi_v7_defconfig: enable Qualcomm RPMCC irda: Fix lockdep annotations in hashbin_delete(). vxlan: fix oops in dev_fill_metadata_dst dccp: fix freeing skb too early for IPV6_RECVPKTINFO dpaa_eth: small leak on error packet: Do not call fanout_release from atomic contexts reset: fix shared reset triggered_count decrement on error ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly ntb_transport: Pick an unused queue ntb: ntb_perf missing dmaengine_unmap_put NTB: ntb_transport: fix debugfs_remove_recursive Revert "nohz: Fix collision between tick and other hrtimers" vfs: fix uninitialized flags in splice_to_pipe() drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor ARM: 8658/1: uaccess: fix zeroing of 64-bit get_user() ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 29d6d84d1c28..41e41f90265d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -83,6 +83,13 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
}
break;
}
+
+ if (!(*out_ring && (*out_ring)->adev)) {
+ DRM_ERROR("Ring %d is not initialized on IP %d\n",
+ ring, ip_type);
+ return -EINVAL;
+ }
+
return 0;
}