Commit 24fdfb35 authored by Ohad Sharabi's avatar Ohad Sharabi Committed by Oded Gabbay
Browse files

habanalabs: fix using freed pointer 



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: default avatarOhad Sharabi <osharabi@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent dc8d243c

drivers/misc/habanalabs/common/device.c

+4 −1
Original line number Diff line number Diff line
@@ -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,