[patch] scsi: ufs: silence uninitialized variable warning

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If ufshcd_dme_get() fails then "tx_lanes" can be uninitialized.  I've
initialized it to zero so that the rest of the function turns into a
no-op in that situation.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index f8fa72c..6741d9e 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3038,7 +3038,9 @@ static int ufshcd_hba_enable(struct ufs_hba *hba)
 
 static int ufshcd_disable_tx_lcc(struct ufs_hba *hba, bool peer)
 {
-	int tx_lanes, i, err = 0;
+	int tx_lanes = 0;
+	int err = 0;
+	int i;
 
 	if (!peer)
 		ufshcd_dme_get(hba, UIC_ARG_MIB(PA_CONNECTEDTXDATALANES),
--
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