[PATCH] ALSA: convert kcalloc to kzalloc
This patch introduces a memory-leak tracking version of kzalloc for ALSA.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Jaroslav Kysela <perex@suse.cz>
Signed-off-by: Jiri Slaby <xslaby@fi.muni.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/sound/core.h b/include/sound/core.h
index f72b3ef..3dc41fd 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -291,12 +291,14 @@
int snd_memory_info_init(void);
int snd_memory_info_done(void);
void *snd_hidden_kmalloc(size_t size, unsigned int __nocast flags);
+void *snd_hidden_kzalloc(size_t size, unsigned int __nocast flags);
void *snd_hidden_kcalloc(size_t n, size_t size, unsigned int __nocast flags);
void snd_hidden_kfree(const void *obj);
void *snd_hidden_vmalloc(unsigned long size);
void snd_hidden_vfree(void *obj);
char *snd_hidden_kstrdup(const char *s, unsigned int __nocast flags);
#define kmalloc(size, flags) snd_hidden_kmalloc(size, flags)
+#define kzalloc(size, flags) snd_hidden_kzalloc(size, flags)
#define kcalloc(n, size, flags) snd_hidden_kcalloc(n, size, flags)
#define kfree(obj) snd_hidden_kfree(obj)
#define vmalloc(size) snd_hidden_vmalloc(size)
diff --git a/sound/core/memory.c b/sound/core/memory.c
index 1622893..291b476 100644
--- a/sound/core/memory.c
+++ b/sound/core/memory.c
@@ -116,15 +116,21 @@
return _snd_kmalloc(size, flags);
}
+void *snd_hidden_kzalloc(size_t size, unsigned int __nocast flags)
+{
+ void *ret = _snd_kmalloc(size, flags);
+ if (ret)
+ memset(ret, 0, size);
+ return ret;
+}
+EXPORT_SYMBOL(snd_hidden_kzalloc);
+
void *snd_hidden_kcalloc(size_t n, size_t size, unsigned int __nocast flags)
{
void *ret = NULL;
if (n != 0 && size > INT_MAX / n)
return ret;
- ret = _snd_kmalloc(n * size, flags);
- if (ret)
- memset(ret, 0, n * size);
- return ret;
+ return snd_hidden_kzalloc(n * size, flags);
}
void snd_hidden_kfree(const void *obj)
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index ce6c9fa..4943299 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2249,7 +2249,7 @@
return -ENXIO;
}
- if ((codec = kcalloc(1, sizeof(*codec), GFP_KERNEL)) == NULL) {
+ if ((codec = kzalloc(sizeof(*codec), GFP_KERNEL)) == NULL) {
pci_disable_device(pci);
return -ENOMEM;
}