dmaengine: mmp: fix uninitialized variable

Vinod Koul · Vinod Koul · commit a9ebbcd986de · 2013-12-16T09:18:48.000+05:30
drivers/dma/mmp_tdma.c:236:8: warning: 'tdcr' may be used
uninitialized in this function [-Wuninitialized]

Reported-by: Dan Williams &lt;dan.j.williams@intel.com&gt;
Signed-off-by: Vinod Koul &lt;vinod.koul@intel.com&gt;
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
@@ -182,7 +182,7 @@ static void mmp_tdma_pause_chan(struct mmp_tdma_chan *tdmac)
 
 static int mmp_tdma_config_chan(struct mmp_tdma_chan *tdmac)
 {
-	unsigned int tdcr;
+	unsigned int tdcr = 0;
 
 	mmp_tdma_disable_chan(tdmac);
 

Original file line number	Diff line number	Diff line change
`@@ -182,7 +182,7 @@ static void mmp_tdma_pause_chan(struct mmp_tdma_chan *tdmac)`
`182`	`182`
`183`	`183`	`static int mmp_tdma_config_chan(struct mmp_tdma_chan *tdmac)`
`184`	`184`	`{`
`185`		`- unsigned int tdcr;`
	`185`	`+ unsigned int tdcr = 0;`
`186`	`186`
`187`	`187`	`mmp_tdma_disable_chan(tdmac);`
`188`	`188`