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path: root/sound/pci/emu10k1/memory.c
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Diffstat (limited to 'sound/pci/emu10k1/memory.c')
-rw-r--r--sound/pci/emu10k1/memory.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index 7d379f5131fb..e8ad56ed34fa 100644
--- a/sound/pci/emu10k1/memory.c
+++ b/sound/pci/emu10k1/memory.c
@@ -107,7 +107,8 @@ static int search_empty_map_area(struct snd_emu10k1 *emu, int npages, struct lis
list_for_each (pos, &emu->mapped_link_head) {
struct snd_emu10k1_memblk *blk = get_emu10k1_memblk(pos, mapped_link);
- snd_assert(blk->mapped_page >= 0, continue);
+ if (blk->mapped_page < 0)
+ continue;
size = blk->mapped_page - page;
if (size == npages) {
*nextp = pos;
@@ -300,10 +301,14 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
struct snd_emu10k1_memblk *blk;
int page, err, idx;
- snd_assert(emu, return NULL);
- snd_assert(runtime->dma_bytes > 0 && runtime->dma_bytes < MAXPAGES * EMUPAGESIZE, return NULL);
+ if (snd_BUG_ON(!emu))
+ return NULL;
+ if (snd_BUG_ON(runtime->dma_bytes <= 0 ||
+ runtime->dma_bytes >= MAXPAGES * EMUPAGESIZE))
+ return NULL;
hdr = emu->memhdr;
- snd_assert(hdr, return NULL);
+ if (snd_BUG_ON(!hdr))
+ return NULL;
mutex_lock(&hdr->block_mutex);
blk = search_empty(emu, runtime->dma_bytes);
@@ -353,7 +358,8 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
*/
int snd_emu10k1_free_pages(struct snd_emu10k1 *emu, struct snd_util_memblk *blk)
{
- snd_assert(emu && blk, return -EINVAL);
+ if (snd_BUG_ON(!emu || !blk))
+ return -EINVAL;
return snd_emu10k1_synth_free(emu, blk);
}
@@ -498,7 +504,8 @@ static int synth_free_pages(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *
static inline void *offset_ptr(struct snd_emu10k1 *emu, int page, int offset)
{
char *ptr;
- snd_assert(page >= 0 && page < emu->max_cache_pages, return NULL);
+ if (snd_BUG_ON(page < 0 || page >= emu->max_cache_pages))
+ return NULL;
ptr = emu->page_ptr_table[page];
if (! ptr) {
printk(KERN_ERR "emu10k1: access to NULL ptr: page = %d\n", page);