Commit 8d753db5 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Greg Kroah-Hartman
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misc: genwqe: Fixes DMA mask setting 



Commit 505b0877 ("misc: genwqe: Use dma_set_mask_and_coherent to simplify code")
changed the logic in the code.

Instead of a ||, a && should have been used to keep the code the same.

Fixes: 505b0877 ("misc: genwqe: Use dma_set_mask_and_coherent to simplify code")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/be49835baa8ba6daba5813b399edf6300f7fdbda.1631130862.git.christophe.jaillet@wanadoo.fr


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 212b5d2d

drivers/misc/genwqe/card_base.c

+1 −1
Original line number Diff line number Diff line
@@ -1090,7 +1090,7 @@ static int genwqe_pci_setup(struct genwqe_dev *cd) 


	/* check for 64-bit DMA address supported (DAC) */

	/* check for 32-bit DMA address supported (SAC) */

	if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)) ||

	if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)) &&

	    dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32))) {

		dev_err(&pci_dev->dev,

			"err: neither DMA32 nor DMA64 supported\n");