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authorStephen Boyd <sboyd@codeaurora.org>2015-10-02 11:29:54 -0700
committerStephen Boyd <sboyd@codeaurora.org>2015-10-02 11:29:54 -0700
commitc0d625cbb541ae68ca3c97fb62f5f6093d3382fa (patch)
treec67ca474f4fd998829591b50b6f47e58d5b7c8df /drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
parent3b4261dcf65993f95de80a0d63c5299aab922bd8 (diff)
parent9f30a04d768f64280dc0c40b730746e82f298d88 (diff)
Merge branch 'clk-fixes' into clk-next
* clk-fixes: (3 commits) clk: ti: dflt: fix enable_reg validity check clk: ti: fix dual-registration of uart4_ick clk: ti: clk-7xx: Remove hardwired ABE clock configuration
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 22367939ebf1..8c735f544b66 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -390,7 +390,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
}
case AMDGPU_INFO_READ_MMR_REG: {
- unsigned n, alloc_size = info->read_mmr_reg.count * 4;
+ unsigned n, alloc_size;
uint32_t *regs;
unsigned se_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
@@ -406,9 +406,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
sh_num = 0xffffffff;
- regs = kmalloc(alloc_size, GFP_KERNEL);
+ regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
if (!regs)
return -ENOMEM;
+ alloc_size = info->read_mmr_reg.count * sizeof(*regs);
for (i = 0; i < info->read_mmr_reg.count; i++)
if (amdgpu_asic_read_register(adev, se_num, sh_num,