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habanalabs: fix using freed pointer

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The code uses the pointer for trace purpose (without actually
dereference it) but still get static analysis warning.
This patch eliminate the warning.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ohad Sharabi 2022-10-18 08:51:33 +03:00 committed by Oded Gabbay
parent dc8d243cae
commit 24fdfb359c
1 changed files with 4 additions and 1 deletions
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5
drivers/misc/habanalabs/common/device.c
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@ -135,6 +135,9 @@ static void hl_asic_dma_free_common(struct hl_device *hdev, size_t size, void *c
dma_addr_t dma_handle, enum dma_alloc_type alloc_type,
const char *caller)
{
/* this is needed to avoid warning on using freed pointer */
u64 store_cpu_addr = (u64) (uintptr_t) cpu_addr;
switch (alloc_type) {
case DMA_ALLOC_COHERENT:
hdev->asic_funcs->asic_dma_free_coherent(hdev, size, cpu_addr, dma_handle);
@ -147,7 +150,7 @@ static void hl_asic_dma_free_common(struct hl_device *hdev, size_t size, void *c
break;
}
trace_habanalabs_dma_free(hdev->dev, (u64) (uintptr_t) cpu_addr, dma_handle, size, caller);
trace_habanalabs_dma_free(hdev->dev, store_cpu_addr, dma_handle, size, caller);
}
void *hl_asic_dma_alloc_coherent_caller(struct hl_device *hdev, size_t size, dma_addr_t *dma_handle,