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gpu: nvgpu: fix Coverity issues

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- operands not affecting result (id = 12845)
- logically dead code (id = 12890)
- dereference after null check (id = 12968)
- unsigned compared to 0 (id = 13176)
- resource leak (id = 13338, 18673)
- unused pointer value (id = 13916)

Bug 1703084

Change-Id: I2f401dd93126af27748c53fa1b3a59cb154af36b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/835143
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
This commit is contained in:
Deepak Nibade
2015-11-19 14:26:15 +05:30
committed by Sachin Nikam
parent 836027806d
commit 10f6da09eb
5 changed files with 19 additions and 15 deletions
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2
drivers/gpu/nvgpu/gk20a/mm_gk20a.c
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@@ -1735,7 +1735,7 @@ int gk20a_vm_get_compbits_info(struct vm_gk20a *vm,
mapped_buffer = find_mapped_buffer_locked(&vm->mapped_buffers, mapping_gva);
if (!mapped_buffer | !mapped_buffer->user_mapped)
if (!mapped_buffer || !mapped_buffer->user_mapped)
{
mutex_unlock(&vm->update_gmmu_lock);
gk20a_err(d, "%s: bad offset 0x%llx", __func__, mapping_gva);