diff options
| author | Ohad Sharabi <osharabi@habana.ai> | 2022-10-18 08:51:33 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2022-11-23 17:13:43 +0300 |
| commit | 24fdfb359cadd222de8ba9d2d6a3f4dfc514878a (patch) | |
| tree | df969ee556c97018d8caa938981398705007f15c /drivers/misc/habanalabs | |
| parent | dc8d243caea8056bd2580b0f1703fe019d3b4419 (diff) | |
| download | linux-24fdfb359cadd222de8ba9d2d6a3f4dfc514878a.tar.xz | |
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: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs')
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 9b54d1df5302..dd01be5c4ba3 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -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, |