From: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
Sparse warns:
drivers/net/wireless/ath/ath12k/dp.c:1471:15: warning: memset with byte count of 278528
There's no need to use memset() here, instead call dma_alloc_coherent() with __GFP_ZERO.
While at it, remove an extra line before the error handler.
Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath12k/dp.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c
index 9926d81c5fe4..ae1645d0f42a 100644
--- a/drivers/net/wireless/ath/ath12k/dp.c
+++ b/drivers/net/wireless/ath/ath12k/dp.c
@@ -1461,15 +1461,12 @@ static int ath12k_dp_reoq_lut_setup(struct ath12k_base *ab)
dp->reoq_lut.vaddr = dma_alloc_coherent(ab->dev,
DP_REOQ_LUT_SIZE,
&dp->reoq_lut.paddr,
- GFP_KERNEL);
-
+ GFP_KERNEL | __GFP_ZERO);
if (!dp->reoq_lut.vaddr) {
ath12k_warn(ab, "failed to allocate memory for reoq table");
return -ENOMEM;
}
- memset(dp->reoq_lut.vaddr, 0, DP_REOQ_LUT_SIZE);
-
ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab),
dp->reoq_lut.paddr);
return 0;
base-commit: 5aa9ff08c0b71be15a607341fa5344546e19ceb2
--
2.30.2
