X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fcore%2Fsgbuf.c;h=cefd228cd2aafb964b61150a7a2d9931459a7fe8;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=74745da9deb69f4cf171500dc6523435c1839752;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/sound/core/sgbuf.c b/sound/core/sgbuf.c
index 74745da9d..cefd228cd 100644
--- a/sound/core/sgbuf.c
+++ b/sound/core/sgbuf.c
@@ -19,7 +19,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
@@ -28,7 +27,7 @@
 
 /* table entries are align to 32 */
 #define SGBUF_TBL_ALIGN		32
-#define sgbuf_align_table(tbl)	((((tbl) + SGBUF_TBL_ALIGN - 1) / SGBUF_TBL_ALIGN) * SGBUF_TBL_ALIGN)
+#define sgbuf_align_table(tbl)	ALIGN((tbl), SGBUF_TBL_ALIGN)
 
 int snd_free_sgbuf_pages(struct snd_dma_buffer *dmab)
 {
@@ -69,21 +68,18 @@ void *snd_malloc_sgbuf_pages(struct device *device,
 
 	dmab->area = NULL;
 	dmab->addr = 0;
-	dmab->private_data = sgbuf = kmalloc(sizeof(*sgbuf), GFP_KERNEL);
+	dmab->private_data = sgbuf = kzalloc(sizeof(*sgbuf), GFP_KERNEL);
 	if (! sgbuf)
 		return NULL;
-	memset(sgbuf, 0, sizeof(*sgbuf));
 	sgbuf->dev = device;
 	pages = snd_sgbuf_aligned_pages(size);
 	sgbuf->tblsize = sgbuf_align_table(pages);
-	sgbuf->table = kmalloc(sizeof(*sgbuf->table) * sgbuf->tblsize, GFP_KERNEL);
+	sgbuf->table = kcalloc(sgbuf->tblsize, sizeof(*sgbuf->table), GFP_KERNEL);
 	if (! sgbuf->table)
 		goto _failed;
-	memset(sgbuf->table, 0, sizeof(*sgbuf->table) * sgbuf->tblsize);
-	sgbuf->page_table = kmalloc(sizeof(*sgbuf->page_table) * sgbuf->tblsize, GFP_KERNEL);
+	sgbuf->page_table = kcalloc(sgbuf->tblsize, sizeof(*sgbuf->page_table), GFP_KERNEL);
 	if (! sgbuf->page_table)
 		goto _failed;
-	memset(sgbuf->page_table, 0, sizeof(*sgbuf->page_table) * sgbuf->tblsize);
 
 	/* allocate each page */
 	for (i = 0; i < pages; i++) {