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Date: Tue, 21 Sep 2010 17:55:11 +0100
From: Daniel J Blueman <daniel.blueman@...il.com>
To: Alex Deucher <alexdeucher@...il.com>
Cc: Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [2.6.36-rc5] DRM resource leak fixes...
Hi Alex; for your review:
Fix up some indirect and scratch buffer leaks, and correctly release a
buffer object along various error paths.
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e817a0b..5a7d6a0 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3540,9 +3540,9 @@ int r100_ib_test(struct radeon_device *rdev)
}
WREG32(scratch, 0xCAFEDEAD);
r = radeon_ib_get(rdev, &ib);
- if (r) {
- return r;
- }
+ if (r)
+ goto out2;
+
ib->ptr[0] = PACKET0(scratch, 0);
ib->ptr[1] = 0xDEADBEEF;
ib->ptr[2] = PACKET2(0);
@@ -3553,15 +3553,13 @@ int r100_ib_test(struct radeon_device *rdev)
ib->ptr[7] = PACKET2(0);
ib->length_dw = 8;
r = radeon_ib_schedule(rdev, ib);
- if (r) {
- radeon_scratch_free(rdev, scratch);
- radeon_ib_free(rdev, &ib);
- return r;
- }
+ if (r)
+ goto out1;
+
r = radeon_fence_wait(ib->fence, false);
- if (r) {
- return r;
- }
+ if (r)
+ goto out1;
+
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF) {
@@ -3576,8 +3574,10 @@ int r100_ib_test(struct radeon_device *rdev)
scratch, tmp);
r = -EINVAL;
}
- radeon_scratch_free(rdev, scratch);
+out1:
radeon_ib_free(rdev, &ib);
+out2:
+ radeon_scratch_free(rdev, scratch);
return r;
}
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index afc18d8..bfdfa3e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2689,7 +2689,7 @@ int r600_ib_test(struct radeon_device *rdev)
r = radeon_ib_get(rdev, &ib);
if (r) {
DRM_ERROR("radeon: failed to get ib (%d).\n", r);
- return r;
+ goto out2;
}
ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
@@ -2710,15 +2710,13 @@ int r600_ib_test(struct radeon_device *rdev)
ib->length_dw = 16;
r = radeon_ib_schedule(rdev, ib);
if (r) {
- radeon_scratch_free(rdev, scratch);
- radeon_ib_free(rdev, &ib);
DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
- return r;
+ goto out1;
}
r = radeon_fence_wait(ib->fence, false);
if (r) {
DRM_ERROR("radeon: fence wait failed (%d).\n", r);
- return r;
+ goto out1;
}
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
@@ -2733,8 +2731,10 @@ int r600_ib_test(struct radeon_device *rdev)
scratch, tmp);
r = -EINVAL;
}
- radeon_scratch_free(rdev, scratch);
+out1:
radeon_ib_free(rdev, &ib);
+out2:
+ radeon_scratch_free(rdev, scratch);
return r;
}
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c
b/drivers/gpu/drm/radeon/r600_blit_kms.c
index d13622a..e532a81 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -492,6 +492,7 @@ int r600_blit_init(struct radeon_device *rdev)
r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr);
if (r) {
DRM_ERROR("failed to map blit object %d\n", r);
+ radeon_bo_unreserve(rdev->r600_blit.shader_obj);
return r;
}
if (rdev->family >= CHIP_RV770)
--
Daniel J Blueman
--
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