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gpu: host1x: Plug potential memory leak 

The memory allocated for a DMA fence could be leaked if the code failed
to allocate the waiter object. Make sure to release the fence allocation
on failure.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2021-09-02 22:33:09 +02:00
parent a81cf839a0
commit c3dbfb9c49
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/host1x/fence.c
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@ -152,8 +152,10 @@ struct dma_fence *host1x_fence_create(struct host1x_syncpt *sp, u32 threshold)
return ERR_PTR(-ENOMEM);
fence->waiter = kzalloc(sizeof(*fence->waiter), GFP_KERNEL);
if (!fence->waiter)
if (!fence->waiter) {
kfree(fence);
return ERR_PTR(-ENOMEM);
}
fence->sp = sp;
fence->threshold = threshold;