linux-kernel - [PATCH 1/1] Preventive fix in sound module

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Date:   Wed, 18 Jul 2018 15:37:48 +0530
From:   Srikanth K H <srikanth.h@...sung.com>
To:     perex@...ex.cz, tiwai@...e.com, elfring@...rs.sourceforge.net,
        ben.hutchings@...ethink.co.uk, viro@...iv.linux.org.uk,
        keescook@...omium.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     cpgs@...sung.com, srikanth.h@...sung.com
Subject: [PATCH 1/1] Preventive fix in sound module

Signed-off-by: Srikanth K H <srikanth.h@...sung.com>
---
 sound/core/timer.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/core/timer.c b/sound/core/timer.c
index b6f076bb..c7be4f1 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1192,10 +1192,12 @@ static void snd_timer_proc_read(struct snd_info_entry *entry,
 			break;
 		case SNDRV_TIMER_CLASS_CARD:
 			snd_iprintf(buffer, "C%i-%i: ",
-				    timer->card->number, timer->tmr_device);
+					timer->card ? timer->card->number : -1,
+					timer->tmr_device);
 			break;
 		case SNDRV_TIMER_CLASS_PCM:
-			snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number,
+			snd_iprintf(buffer, "P%i-%i-%i: ",
+					timer->card ? timer->card->number : -1,
 				    timer->tmr_device, timer->tmr_subdevice);
 			break;
 		default:
-- 
1.9.1