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| author | Ingo Molnar <mingo@kernel.org> | 2015-05-17 07:58:08 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-17 07:58:08 +0200 |
| commit | cffc32975da7df2ef909299c47ff644e1357e0ac (patch) | |
| tree | 04cfa6276b890f49f686d65be7397c4232ac44af /drivers/spi/spi.c | |
| parent | 6dc178760553605c58d78bd403dfcb4e042c5b72 (diff) | |
| parent | adeb5537849d9db428fe0ddc3562e5a765a347e2 (diff) | |
| download | op-kernel-dev-cffc32975da7df2ef909299c47ff644e1357e0ac.zip op-kernel-dev-cffc32975da7df2ef909299c47ff644e1357e0ac.tar.gz | |
Merge branch 'x86/asm' into x86/apic, to resolve conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index d5d7d22..50910d8 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -583,6 +583,15 @@ static int spi_unmap_msg(struct spi_master *master, struct spi_message *msg) rx_dev = master->dma_rx->device->dev; list_for_each_entry(xfer, &msg->transfers, transfer_list) { + /* + * Restore the original value of tx_buf or rx_buf if they are + * NULL. + */ + if (xfer->tx_buf == master->dummy_tx) + xfer->tx_buf = NULL; + if (xfer->rx_buf == master->dummy_rx) + xfer->rx_buf = NULL; + if (!master->can_dma(master, msg->spi, xfer)) continue; |
