summaryrefslogtreecommitdiff
path: root/sys/dev
diff options
context:
space:
mode:
authorJonathan Gray <jsg@cvs.openbsd.org>2024-10-11 02:34:47 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2024-10-11 02:34:47 +0000
commitfb1d79872973a5fd9c03f9f99a8d66feda9d4b9d (patch)
tree5ebe55eda1404df145cfda0a9895d56ccd5bd23a /sys/dev
parent73bcb7c7c07e48c86aeeefebf42d5889e921b990 (diff)
drm/amdgpu: fix unchecked return value warning for amdgpu_gfx
From Tim Huang deb78dc859ddba6770186fc0cf59c47487c33c9b in linux-6.6.y/6.6.55 c0277b9d7c2ee9ee5dbc948548984f0fbb861301 in mainline linux
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pci/drm/amd/amdgpu/amdgpu_gfx.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_gfx.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_gfx.c
index c4b554486c7..96f83c10ed5 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_gfx.c
@@ -795,8 +795,11 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *r
int r;
if (amdgpu_ras_is_supported(adev, ras_block->block)) {
- if (!amdgpu_persistent_edc_harvesting_supported(adev))
- amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
+ if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
+ r = amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
+ if (r)
+ return r;
+ }
r = amdgpu_ras_block_late_init(adev, ras_block);
if (r)
@@ -941,7 +944,10 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
pr_err("critical bug! too many kiq readers\n");
goto failed_unlock;
}
- amdgpu_ring_alloc(ring, 32);
+ r = amdgpu_ring_alloc(ring, 32);
+ if (r)
+ goto failed_unlock;
+
amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
if (r)
@@ -1007,7 +1013,10 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
}
spin_lock_irqsave(&kiq->ring_lock, flags);
- amdgpu_ring_alloc(ring, 32);
+ r = amdgpu_ring_alloc(ring, 32);
+ if (r)
+ goto failed_unlock;
+
amdgpu_ring_emit_wreg(ring, reg, v);
r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
if (r)
@@ -1043,6 +1052,7 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
failed_undo:
amdgpu_ring_undo(ring);
+failed_unlock:
spin_unlock_irqrestore(&kiq->ring_lock, flags);
failed_kiq_write:
dev_err(adev->dev, "failed to write reg:%x\n", reg);