From d59b6f215aa8bf52f36f72235752177fb79cf5b3 Mon Sep 17 00:00:00 2001 From: Jiapeng Chong Date: Mon, 7 Nov 2022 14:35:54 +0800 Subject: [PATCH] ALSA: cs5535audio: Remove the redundant assignment Variable 'desc_addr' set but not used. sound/pci/cs5535audio/cs5535audio_pcm.c:113:12: warning: variable 'desc_addr' set but not used. Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2739 Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong Link: https://lore.kernel.org/r/20221107063554.17933-1-jiapeng.chong@linux.alibaba.com Signed-off-by: Takashi Iwai --- sound/pci/cs5535audio/cs5535audio_pcm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c b/sound/pci/cs5535audio/cs5535audio_pcm.c index 0db24cc..9c88e99 100644 --- a/sound/pci/cs5535audio/cs5535audio_pcm.c +++ b/sound/pci/cs5535audio/cs5535audio_pcm.c @@ -110,7 +110,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au, unsigned int period_bytes) { unsigned int i; - u32 addr, desc_addr, jmpprd_addr; + u32 addr, jmpprd_addr; struct cs5535audio_dma_desc *lastdesc; if (periods > CS5535AUDIO_MAX_DESCRIPTORS) @@ -131,14 +131,12 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au, /* the u32 cast is okay because in snd*create we successfully told pci alloc that we're only 32 bit capable so the upper will be 0 */ addr = (u32) substream->runtime->dma_addr; - desc_addr = (u32) dma->desc_buf.addr; for (i = 0; i < periods; i++) { struct cs5535audio_dma_desc *desc = &((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i]; desc->addr = cpu_to_le32(addr); desc->size = cpu_to_le16(period_bytes); desc->ctlreserved = cpu_to_le16(PRD_EOP); - desc_addr += sizeof(struct cs5535audio_dma_desc); addr += period_bytes; } /* we reserved one dummy descriptor at the end to do the PRD jump */ -- 2.7.4