[PATCH] staging: media: hantro: Remove call to memset after dma_alloc_coherent

Hariprasad Kelam hariprasad.kelam at gmail.com
Thu Jul 25 03:06:02 UTC 2019


fix below issue reported by coccicheck
/drivers/staging/media/hantro/hantro_vp8.c:149:16-34: WARNING:
dma_alloc_coherent use in aux_buf -> cpu already zeroes out memory,  so
memset is not needed

Signed-off-by: Hariprasad Kelam <hariprasad.kelam at gmail.com>
---
 drivers/staging/media/hantro/hantro_vp8.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_vp8.c b/drivers/staging/media/hantro/hantro_vp8.c
index 66c4533..363ddda 100644
--- a/drivers/staging/media/hantro/hantro_vp8.c
+++ b/drivers/staging/media/hantro/hantro_vp8.c
@@ -151,8 +151,6 @@ int hantro_vp8_dec_init(struct hantro_ctx *ctx)
 	if (!aux_buf->cpu)
 		return -ENOMEM;
 
-	memset(aux_buf->cpu, 0, aux_buf->size);
-
 	/*
 	 * Allocate probability table buffer,
 	 * total 1208 bytes, 4K page is far enough.
-- 
2.7.4



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