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habanalabs: zero ts registration buff when allocated

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To avoid memory corruption in kernel memory while using timestamp
registration nodes, zero the kernel buff memory when its allocated.

Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
farah kassabri
2022-09-20 11:48:40 +03:00
committed by Oded Gabbay
parent 4a9c6e2cdf
commit 679e968908
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/habanalabs/common/memory.c
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@@ -2109,7 +2109,7 @@ static int hl_ts_alloc_buf(struct hl_mmap_mem_buf *buf, gfp_t gfp, void *args)
/* Allocate the internal kernel buffer */
size = num_elements * sizeof(struct hl_user_pending_interrupt);
p = vmalloc(size);
p = vzalloc(size);
if (!p)
goto free_user_buff;