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ALSA: cs5535audio: Remove the redundant assignment

PATCH Applied Jiapeng Chong 2 participants 2 messages Nov 7, 2022

Subsystems (2)
Sound CS5535 Audio ALSA driver
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Jiapeng Chong

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PATCH 1/1 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 <[email protected]>
Signed-off-by Jiapeng Chong <[email protected]>
---
 sound/pci/cs5535audio/cs5535audio_pcm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
sound/pci/cs5535audio/cs5535audio_pcm.c +1 -3
index 0db24cc4d916..9c88e99e3750 100644
@@ -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 */
Signature · 1 line
2.20.1.7.g153144c