| commit | 75b780bd99b851682289e7a88763ede5a936edb0 | [log] [tgz] |
|---|---|---|
| author | Sonic Zhang <sonic.zhang@analog.com> | Fri Dec 21 17:03:39 2007 +0800 |
| committer | Bryan Wu <cooloney@kernel.org> | Fri Dec 21 17:03:39 2007 +0800 |
| tree | 446d602b4bfd75685c30e1e94910dd00573ff09f | |
| parent | 1b73351c6afcc3acbf9e29a43ee14b3c9a386503 [diff] [blame] |
[Blackfin] serial driver: Fix bug Free rx dma buffer in shutdown. Kernel crash for the serial driver in DMA mode: http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3679 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 3a2aa7e..838f491 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c
@@ -704,6 +704,7 @@ disable_dma(uart->rx_dma_channel); free_dma(uart->rx_dma_channel); del_timer(&(uart->rx_dma_timer)); + dma_free_coherent(NULL, PAGE_SIZE, uart->rx_dma_buf.buf, 0); #else #ifdef CONFIG_KGDB_UART if (uart->port.line != CONFIG_KGDB_UART_PORT)