ALSA: usb-audio: Add quirk for LH Labs Geek Out HD Audio 1V5

[platform/kernel/linux-rpi.git] / sound / isa / gus / gus_dma.c

diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c
index a1c770d..6d664dd 100644 (file)
--- a/sound/isa/gus/gus_dma.c
+++ b/sound/isa/gus/gus_dma.c
@@ -126,6 +126,8 @@ static void snd_gf1_dma_interrupt(struct snd_gus_card * gus)
        }
        block = snd_gf1_dma_next_block(gus);
        spin_unlock(&gus->dma_lock);
+       if (!block)
+               return;
        snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
        kfree(block);
 #if 0