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Message-Id: <1201685412-29095-5-git-send-email-bryan.wu@analog.com> Date: Wed, 30 Jan 2008 17:30:04 +0800 From: Bryan Wu <bryan.wu@...log.com> To: linux-serial@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Sonic Zhang <sonic.zhang@...log.com>, Bryan Wu <bryan.wu@...log.com> Subject: [PATCH 04/12] [Blackfin] serial driver: Fix bug Free rx dma buffer in shutdown. From: Sonic Zhang <sonic.zhang@...log.com> 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@...log.com> Signed-off-by: Bryan Wu <bryan.wu@...log.com> --- drivers/serial/bfin_5xx.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) 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 @@ static void bfin_serial_shutdown(struct uart_port *port) 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) -- 1.5.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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