[PATCH] media: verisilicon: Simplify error handling in tile_buffer_reallocate()

From: Benjamin Gaignard
Date: Thu Mar 23 2023 - 09:17:21 EST


Rework allocation errors cases handling to simply it
by removing useless tests.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
Reported-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
.../media/platform/verisilicon/hantro_hevc.c | 23 ++++++++-----------
1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/media/platform/verisilicon/hantro_hevc.c b/drivers/media/platform/verisilicon/hantro_hevc.c
index 9383fb7081f6..2c14330bc562 100644
--- a/drivers/media/platform/verisilicon/hantro_hevc.c
+++ b/drivers/media/platform/verisilicon/hantro_hevc.c
@@ -109,7 +109,7 @@ static int tile_buffer_reallocate(struct hantro_ctx *ctx)
&hevc_dec->tile_filter.dma,
GFP_KERNEL);
if (!hevc_dec->tile_filter.cpu)
- goto err_free_tile_buffers;
+ return -ENOMEM;
hevc_dec->tile_filter.size = size;

size = (VERT_SAO_RAM_SIZE * height64 * (num_tile_cols - 1) * ctx->bit_depth) / 8;
@@ -125,31 +125,26 @@ static int tile_buffer_reallocate(struct hantro_ctx *ctx)
&hevc_dec->tile_bsd.dma,
GFP_KERNEL);
if (!hevc_dec->tile_bsd.cpu)
- goto err_free_tile_buffers;
+ goto err_free_sao_buffers;
hevc_dec->tile_bsd.size = size;

hevc_dec->num_tile_cols_allocated = num_tile_cols;

return 0;

-err_free_tile_buffers:
- if (hevc_dec->tile_filter.cpu)
- dma_free_coherent(vpu->dev, hevc_dec->tile_filter.size,
- hevc_dec->tile_filter.cpu,
- hevc_dec->tile_filter.dma);
- hevc_dec->tile_filter.cpu = NULL;
-
+err_free_sao_buffers:
if (hevc_dec->tile_sao.cpu)
dma_free_coherent(vpu->dev, hevc_dec->tile_sao.size,
hevc_dec->tile_sao.cpu,
hevc_dec->tile_sao.dma);
hevc_dec->tile_sao.cpu = NULL;

- if (hevc_dec->tile_bsd.cpu)
- dma_free_coherent(vpu->dev, hevc_dec->tile_bsd.size,
- hevc_dec->tile_bsd.cpu,
- hevc_dec->tile_bsd.dma);
- hevc_dec->tile_bsd.cpu = NULL;
+err_free_tile_buffers:
+ if (hevc_dec->tile_filter.cpu)
+ dma_free_coherent(vpu->dev, hevc_dec->tile_filter.size,
+ hevc_dec->tile_filter.cpu,
+ hevc_dec->tile_filter.dma);
+ hevc_dec->tile_filter.cpu = NULL;

return -ENOMEM;
}
--
2.34.1