diff options
Diffstat (limited to 'sound/pci/emu10k1/memory.c')
| -rw-r--r-- | sound/pci/emu10k1/memory.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c index 288e0fd2e47d..9d26535f3fa3 100644 --- a/sound/pci/emu10k1/memory.c +++ b/sound/pci/emu10k1/memory.c @@ -169,16 +169,20 @@ static int unmap_memblk(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk) struct snd_emu10k1_memblk *q; /* calculate the expected size of empty region */ - if ((p = blk->mapped_link.prev) != &emu->mapped_link_head) { + p = blk->mapped_link.prev; + if (p != &emu->mapped_link_head) { q = get_emu10k1_memblk(p, mapped_link); start_page = q->mapped_page + q->pages; - } else + } else { start_page = 1; - if ((p = blk->mapped_link.next) != &emu->mapped_link_head) { + } + p = blk->mapped_link.next; + if (p != &emu->mapped_link_head) { q = get_emu10k1_memblk(p, mapped_link); end_page = q->mapped_page; - } else + } else { end_page = (emu->address_mode ? MAX_ALIGN_PAGES1 : MAX_ALIGN_PAGES0); + } /* remove links */ list_del(&blk->mapped_link); @@ -267,7 +271,8 @@ int snd_emu10k1_memblk_map(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *b spin_unlock_irqrestore(&emu->memblk_lock, flags); return 0; } - if ((err = map_memblk(emu, blk)) < 0) { + err = map_memblk(emu, blk); + if (err < 0) { /* no enough page - try to unmap some blocks */ /* starting from the oldest block */ p = emu->mapped_order_link_head.next; @@ -454,13 +459,15 @@ static void get_single_page_range(struct snd_util_memhdr *hdr, struct snd_emu10k1_memblk *q; int first_page, last_page; first_page = blk->first_page; - if ((p = blk->mem.list.prev) != &hdr->block) { + p = blk->mem.list.prev; + if (p != &hdr->block) { q = get_emu10k1_memblk(p, mem.list); if (q->last_page == first_page) first_page++; /* first page was already allocated */ } last_page = blk->last_page; - if ((p = blk->mem.list.next) != &hdr->block) { + p = blk->mem.list.next; + if (p != &hdr->block) { q = get_emu10k1_memblk(p, mem.list); if (q->first_page == last_page) last_page--; /* last page was already allocated */ |