From: Tomas Melin <tomas.melin@iki.fi>
Date: Sun, 9 Aug 2015 14:08:41 +0000 (+0300)
Subject: staging/most: fix return value for DIM_GetChannelState
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=910bf1efe6f7f74b10e918768ddea3ad8b863f8b;p=linux-beck.git

staging/most: fix return value for DIM_GetChannelState

Return NULL instead of 0 for invalid input.

Signed-off-by: Tomas Melin <tomas.melin@iki.fi>
Acked-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.c b/drivers/staging/most/hdm-dim2/dim2_hal.c
index 01b748944ee4..a54cf2cedac3 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hal.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hal.c
@@ -889,7 +889,7 @@ struct dim_ch_state_t *DIM_GetChannelState(struct dim_channel *ch,
 		struct dim_ch_state_t *state_ptr)
 {
 	if (!ch || !state_ptr)
-		return 0;
+		return NULL;
 
 	state_ptr->ready = ch->state.level < 2;
 	state_ptr->done_buffers = ch->done_sw_buffers_number;