diff options
Diffstat (limited to 'sound/core/seq/seq_memory.c')
| -rw-r--r-- | sound/core/seq/seq_memory.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c index 40b4f679c80..1e206de0c2d 100644 --- a/sound/core/seq/seq_memory.c +++ b/sound/core/seq/seq_memory.c @@ -1,7 +1,7 @@ /* * ALSA sequencer Memory Manager * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> - * Jaroslav Kysela <perex@suse.cz> + * Jaroslav Kysela <perex@perex.cz> * 2000 by Takashi Iwai <tiwai@suse.de> * * This program is free software; you can redistribute it and/or modify @@ -20,8 +20,8 @@ * */ -#include <sound/driver.h> #include <linux/init.h> +#include <linux/export.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <sound/core.h> @@ -87,7 +87,7 @@ int snd_seq_dump_var_event(const struct snd_seq_event *event, if (event->data.ext.len & SNDRV_SEQ_EXT_USRPTR) { char buf[32]; - char __user *curptr = (char __user *)event->data.ext.ptr; + char __user *curptr = (char __force __user *)event->data.ext.ptr; while (len > 0) { int size = sizeof(buf); if (len < size) @@ -118,6 +118,8 @@ int snd_seq_dump_var_event(const struct snd_seq_event *event, return 0; } +EXPORT_SYMBOL(snd_seq_dump_var_event); + /* * exported: @@ -149,14 +151,14 @@ int snd_seq_expand_var_event(const struct snd_seq_event *event, int count, char return len; newlen = len; if (size_aligned > 0) - newlen = ((len + size_aligned - 1) / size_aligned) * size_aligned; + newlen = roundup(len, size_aligned); if (count < newlen) return -EAGAIN; if (event->data.ext.len & SNDRV_SEQ_EXT_USRPTR) { if (! in_kernel) return -EINVAL; - if (copy_from_user(buf, (void __user *)event->data.ext.ptr, len)) + if (copy_from_user(buf, (void __force __user *)event->data.ext.ptr, len)) return -EFAULT; return newlen; } @@ -167,6 +169,7 @@ int snd_seq_expand_var_event(const struct snd_seq_event *event, int count, char return err < 0 ? err : newlen; } +EXPORT_SYMBOL(snd_seq_expand_var_event); /* * release this cell, free extended data if available @@ -185,9 +188,11 @@ void snd_seq_cell_free(struct snd_seq_event_cell * cell) unsigned long flags; struct snd_seq_pool *pool; - snd_assert(cell != NULL, return); + if (snd_BUG_ON(!cell)) + return; pool = cell->pool; - snd_assert(pool != NULL, return); + if (snd_BUG_ON(!pool)) + return; spin_lock_irqsave(&pool->lock, flags); free_cell(pool, cell); @@ -231,7 +236,7 @@ static int snd_seq_cell_alloc(struct snd_seq_pool *pool, init_waitqueue_entry(&wait, current); spin_lock_irqsave(&pool->lock, flags); if (pool->ptr == NULL) { /* not initialized */ - snd_printd("seq: pool is not initialized\n"); + pr_debug("ALSA: seq: pool is not initialized\n"); err = -EINVAL; goto __error; } @@ -339,7 +344,7 @@ int snd_seq_event_dup(struct snd_seq_pool *pool, struct snd_seq_event *event, tmp->event = src->event; src = src->next; } else if (is_usrptr) { - if (copy_from_user(&tmp->event, (char __user *)buf, size)) { + if (copy_from_user(&tmp->event, (char __force __user *)buf, size)) { err = -EFAULT; goto __error; } @@ -376,13 +381,14 @@ int snd_seq_pool_init(struct snd_seq_pool *pool) struct snd_seq_event_cell *cellptr; unsigned long flags; - snd_assert(pool != NULL, return -EINVAL); + if (snd_BUG_ON(!pool)) + return -EINVAL; if (pool->ptr) /* should be atomic? */ return 0; pool->ptr = vmalloc(sizeof(struct snd_seq_event_cell) * pool->size); if (pool->ptr == NULL) { - snd_printd("seq: malloc for sequencer events failed\n"); + pr_debug("ALSA: seq: malloc for sequencer events failed\n"); return -ENOMEM; } @@ -412,7 +418,8 @@ int snd_seq_pool_done(struct snd_seq_pool *pool) struct snd_seq_event_cell *ptr; int max_count = 5 * HZ; - snd_assert(pool != NULL, return -EINVAL); + if (snd_BUG_ON(!pool)) + return -EINVAL; /* wait for closing all threads */ spin_lock_irqsave(&pool->lock, flags); @@ -424,7 +431,7 @@ int snd_seq_pool_done(struct snd_seq_pool *pool) while (atomic_read(&pool->counter) > 0) { if (max_count == 0) { - snd_printk(KERN_WARNING "snd_seq_pool_done timeout: %d cells remain\n", atomic_read(&pool->counter)); + pr_warn("ALSA: snd_seq_pool_done timeout: %d cells remain\n", atomic_read(&pool->counter)); break; } schedule_timeout_uninterruptible(1); @@ -457,7 +464,7 @@ struct snd_seq_pool *snd_seq_pool_new(int poolsize) /* create pool block */ pool = kzalloc(sizeof(*pool), GFP_KERNEL); if (pool == NULL) { - snd_printd("seq: malloc failed for pool\n"); + pr_debug("ALSA: seq: malloc failed for pool\n"); return NULL; } spin_lock_init(&pool->lock); |