misc: genwqe: Fixes DMA mask setting

Commit 505b08777d78 ("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: 505b08777d78 ("misc: genwqe: Use dma_set_mask_and_coherent to simplify code")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/be49835baa8ba6daba5813b399edf6300f7fdbda.1631130862.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/genwqe/card_base.c b/drivers/misc/genwqe/card_base.c
index 2e1befbd1ad991035dce1b608a71326cd395cf9f..693981891870c4c5920aa66fd4e377d1fa9aa8e6 100644 (file)
--- a/drivers/misc/genwqe/card_base.c
+++ b/drivers/misc/genwqe/card_base.c
@@ -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");