From: Shawn Lin <shawn.lin@rock-chips.com>
Date: Tue, 6 Jan 2026 02:16:52 +0000 (+0800)
Subject: mmc: dw_mmc: Check return value of dma_ops->init() in resume
X-Git-Tag: v7.1-rc1~157^2~93
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4db2a6c8576f75f16b253c1fd15c821c40662aa2;p=thirdparty%2Fkernel%2Fstable.git

mmc: dw_mmc: Check return value of dma_ops->init() in resume

dma_ops->init() may fail, should check the return value.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 5c7859a86dcce..e437a142a76e6 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -3524,8 +3524,11 @@ int dw_mci_runtime_resume(struct device *dev)
 		goto err;
 	}
 
-	if (host->use_dma && host->dma_ops->init)
-		host->dma_ops->init(host);
+	if (host->use_dma && host->dma_ops->init) {
+		ret = host->dma_ops->init(host);
+		if (ret)
+			return ret;
+	}
 
 	/*
 	 * Restore the initial value at FIFOTH register