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authorTakashi Iwai <tiwai@suse.de>2019-02-01 12:14:53 +0100
committerTakashi Iwai <tiwai@suse.de>2019-02-01 17:16:40 +0100
commit0b6a2c9cf4a00f54a0916499ece8a5cf3cced385 (patch)
tree675b07d3e0b4b06c835cacdc42e3fc1ad6c801bf /sound/isa/sscape.c
parent6a8125c3cab887a236e9b1dc89a3416c50e46f56 (diff)
downloadlinux-0b6a2c9cf4a00f54a0916499ece8a5cf3cced385.tar.gz
ALSA: isa: Avoid passing NULL to memory allocators
We used to pass NULL to memory allocators for ISA devices due to historical reasons. But we prefer rather a proper device object to be assigned, so let's fix it by replacing snd_dma_isa_data() call with card->dev reference, and kill snd_dma_isa_data() definition. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa/sscape.c')
-rw-r--r--sound/isa/sscape.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 733adee5afbf..8181db4db019 100644
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -167,12 +167,13 @@ static inline struct soundscape *get_card_soundscape(struct snd_card *c)
* I think this means that the memory has to map to
* contiguous pages of physical memory.
*/
-static struct snd_dma_buffer *get_dmabuf(struct snd_dma_buffer *buf,
+static struct snd_dma_buffer *get_dmabuf(struct soundscape *s,
+ struct snd_dma_buffer *buf,
unsigned long size)
{
if (buf) {
if (snd_dma_alloc_pages_fallback(SNDRV_DMA_TYPE_DEV,
- snd_dma_isa_data(),
+ s->chip->card->dev,
size, buf) < 0) {
snd_printk(KERN_ERR "sscape: Failed to allocate "
"%lu bytes for DMA\n",
@@ -443,7 +444,7 @@ static int upload_dma_data(struct soundscape *s, const unsigned char *data,
int ret;
unsigned char val;
- if (!get_dmabuf(&dma, PAGE_ALIGN(32 * 1024)))
+ if (!get_dmabuf(s, &dma, PAGE_ALIGN(32 * 1024)))
return -ENOMEM;
spin_lock_irqsave(&s->lock, flags);