[PATCH] OSS: replace kmalloc()+memset() combos with kzalloc()
Replace kmalloc() + memset() pairs with the appropriate kzalloc() calls.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
index 9f7e5f5..016b918 100644
--- a/sound/oss/swarm_cs4297a.c
+++ b/sound/oss/swarm_cs4297a.c
@@ -616,25 +616,23 @@
/* Descriptors */
dma->ringsz = DMA_DESCR;
- dma->descrtab = kmalloc(dma->ringsz * sizeof(serdma_descr_t), GFP_KERNEL);
+ dma->descrtab = kzalloc(dma->ringsz * sizeof(serdma_descr_t), GFP_KERNEL);
if (!dma->descrtab) {
- printk(KERN_ERR "cs4297a: kmalloc descrtab failed\n");
+ printk(KERN_ERR "cs4297a: kzalloc descrtab failed\n");
return -1;
}
- memset(dma->descrtab, 0, dma->ringsz * sizeof(serdma_descr_t));
dma->descrtab_end = dma->descrtab + dma->ringsz;
/* XXX bloddy mess, use proper DMA API here ... */
dma->descrtab_phys = CPHYSADDR((long)dma->descrtab);
dma->descr_add = dma->descr_rem = dma->descrtab;
/* Frame buffer area */
- dma->dma_buf = kmalloc(DMA_BUF_SIZE, GFP_KERNEL);
+ dma->dma_buf = kzalloc(DMA_BUF_SIZE, GFP_KERNEL);
if (!dma->dma_buf) {
- printk(KERN_ERR "cs4297a: kmalloc dma_buf failed\n");
+ printk(KERN_ERR "cs4297a: kzalloc dma_buf failed\n");
kfree(dma->descrtab);
return -1;
}
- memset(dma->dma_buf, 0, DMA_BUF_SIZE);
dma->dma_buf_phys = CPHYSADDR((long)dma->dma_buf);
/* Samples buffer area */
@@ -2619,12 +2617,11 @@
udelay(100);
#endif
- if (!(s = kmalloc(sizeof(struct cs4297a_state), GFP_KERNEL))) {
+ if (!(s = kzalloc(sizeof(struct cs4297a_state), GFP_KERNEL))) {
CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR
"cs4297a: probe() no memory for state struct.\n"));
return -1;
}
- memset(s, 0, sizeof(struct cs4297a_state));
s->magic = CS4297a_MAGIC;
init_waitqueue_head(&s->dma_adc.wait);
init_waitqueue_head(&s->dma_dac.wait);