fix reboot or power-off kernel will panic because NPE

alex3788 · alex3788 · commit 4dfe7a6d0bd4 · 2017-09-05T18:51:00.000+08:00
Change-Id: If9757abacafecb30031fbe05f8d5900c1f03fd2c
Reviewed-on: https://tp-biosrd-v02/gerrit/80609
Reviewed-by: Alex Cheng(鄭富元) &lt;Alex_Cheng@asus.com&gt;
Tested-by: Alex Cheng(鄭富元) &lt;Alex_Cheng@asus.com&gt;
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -290,7 +290,7 @@ static int dw_mci_rockchip_probe(struct platform_device *pdev)
 static void dw_mci_rockchip_platfm_shutdown(struct platform_device *pdev)
 {
 	struct dw_mci *host = platform_get_drvdata(pdev);
-	struct mmc_host *mmc = host->cur_slot->mmc;
+	struct mmc_host *mmc = host->slot[0]->mmc;
 	int ret;
 
 	mdelay(20);

Original file line number	Diff line number	Diff line change
`@@ -290,7 +290,7 @@ static int dw_mci_rockchip_probe(struct platform_device *pdev)`
`290`	`290`	`static void dw_mci_rockchip_platfm_shutdown(struct platform_device *pdev)`
`291`	`291`	`{`
`292`	`292`	`struct dw_mci *host = platform_get_drvdata(pdev);`
`293`		`- struct mmc_host *mmc = host->cur_slot->mmc;`
	`293`	`+ struct mmc_host *mmc = host->slot[0]->mmc;`
`294`	`294`	`int ret;`
`295`	`295`
`296`	`296`	`mdelay(20);`