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libc/audio/lib_buffer.c must must correct allocation for execution domain

This commit is contained in:
Gregory Nutt 2013-11-10 12:22:01 -06:00
parent 4b998d84a7
commit 4ad7f73f54
2 changed files with 42 additions and 16 deletions
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13
libc/audio/lib_buffer.c
View File

@ -49,10 +49,11 @@
#include <errno.h>
#include <debug.h>
#include <nuttx/kmalloc.h>
#include <nuttx/audio/audio.h>
#include <nuttx/usb/audio.h>
#include "lib_internal.h"
#if defined(CONFIG_AUDIO)
/****************************************************************************
@ -113,7 +114,7 @@ static void apb_semtake(FAR struct ap_buffer_s *apb)
*
****************************************************************************/
int apb_alloc(FAR struct audio_buf_desc_s * bufdesc)
int apb_alloc(FAR struct audio_buf_desc_s *bufdesc)
{
uint32_t bufsize;
int ret;
@ -124,13 +125,15 @@ int apb_alloc(FAR struct audio_buf_desc_s * bufdesc)
/* Perform a user mode allocation */
bufsize = sizeof(struct ap_buffer_s) + bufdesc->numbytes;
pBuf = kumalloc(bufsize);
pBuf = lib_umalloc(bufsize);
*bufdesc->u.ppBuffer = pBuf;
/* Test if the allocation was successful or not */
if (*bufdesc->u.ppBuffer == NULL)
{
ret = -ENOMEM;
}
else
{
/* Populate the buffer contents */
@ -180,10 +183,10 @@ void apb_free(FAR struct ap_buffer_s *apb)
refcount = apb->crefs--;
apb_semgive(apb);
if (refcount == 1)
if (refcount <= 1)
{
auddbg("Freeing %p\n", apb);
kufree(apb);
lib_ufree(apb);
}
}

23
libc/lib_internal.h
View File

@ -82,16 +82,39 @@
#if defined(CONFIG_NUTTX_KERNEL) && defined(__KERNEL__)
# include <nuttx/kmalloc.h>
/* Domain-specific allocations */
# define lib_malloc(s) kmalloc(s)
# define lib_zalloc(s) kzalloc(s)
# define lib_realloc(p,s) krealloc(p,s)
# define lib_memalign(p,s) krealloc(p,s)
# define lib_free(p) kfree(p)
/* User-accesssible allocations */
# define lib_umalloc(s) kumalloc(s)
# define lib_uzalloc(s) kuzalloc(s)
# define lib_urealloc(p,s) kurealloc(p,s)
# define lib_ufree(p) kufree(p)
#else
# include <stdlib.h>
/* Domain-specific allocations */
# define lib_malloc(s) malloc(s)
# define lib_zalloc(s) zalloc(s)
# define lib_realloc(p,s) realloc(p,s)
# define lib_free(p) free(p)
/* User-accesssible allocations */
# define lib_umalloc(s) malloc(s)
# define lib_uzalloc(s) zalloc(s)
# define lib_urealloc(p,s) realloc(p,s)
# define lib_ufree(p) free(p)
#endif
#define LIB_BUFLEN_UNKNOWN INT_MAX