[PATCH 11/29] staging: most: fix buffer size for DIM2

Christian Gromm christian.gromm at microchip.com
Mon Sep 28 15:18:40 UTC 2015


This patch reduces the DBR buffer size to prevent an overflow in the DIM2
module. It is needed, because the MediaLB hardware has problems with DBR
buffers that exceed the size of 255 messages.

Signed-off-by: Andrey Shvetsov <andrey.shvetsov at k2l.de>
Signed-off-by: Christian Gromm <christian.gromm at microchip.com>
---
 drivers/staging/most/hdm-dim2/dim2_hal.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.c b/drivers/staging/most/hdm-dim2/dim2_hal.c
index e334206..0e54830 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hal.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hal.c
@@ -766,14 +766,14 @@ u8 DIM_InitControl(struct dim_channel *ch, u8 is_tx, u16 ch_address,
 		   u16 max_buffer_size)
 {
 	return init_ctrl_async(ch, CAT_CT_VAL_CONTROL, is_tx, ch_address,
-			       max_buffer_size * 2);
+			       max_buffer_size);
 }
 
 u8 DIM_InitAsync(struct dim_channel *ch, u8 is_tx, u16 ch_address,
 		 u16 max_buffer_size)
 {
 	return init_ctrl_async(ch, CAT_CT_VAL_ASYNC, is_tx, ch_address,
-			       max_buffer_size * 2);
+			       max_buffer_size);
 }
 
 u8 DIM_InitIsoc(struct dim_channel *ch, u8 is_tx, u16 ch_address,
-- 
1.7.9.5



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