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Commit 3bfe619d authored by Jonathan Kliegman's avatar Jonathan Kliegman Committed by Chris Ball
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mmc: dw_mmc: Fix null dma_ops access when use_dma is false 



host->dma_ops is not valid if host->usa dma is 0 so protect
host->dma_ops reference in dw_mci_resume

Signed-off-by: default avatarJonathan Kliegman <kliegs@chromium.org>
Acked-by: default avatarJaehoon Chung <jh80.chung@samsung.com>
Acked-by: default avatarWill Newton <will.newton@imgtec.com>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent e137788d

drivers/mmc/host/dw_mmc.c

+1 −1
Original line number Diff line number Diff line
@@ -2186,7 +2186,7 @@ int dw_mci_resume(struct dw_mci *host) 
		return ret;

	}



	if (host->dma_ops->init)

	if (host->use_dma && host->dma_ops->init)

		host->dma_ops->init(host);



	/* Restore the old value at FIFOTH register */