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authorNicolas Pitre <nico@fluxnic.net>2009-11-05 13:28:17 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-11 15:18:05 -0800
commit0395b48c78ed822f251ab15d0fbc3ce06f41ffb1 (patch)
tree9f20b8480ce4fe7ea014367cfc070e888663ec3f /drivers/mmc/card
parentb5849b1a82853171ce8a35220204f17ec282a9a8 (diff)
sdio_uart: Fix oops caused by the previous changeset
Now... testing reveals that the very first patch "sdio_uart: use tty_port" causes a segmentation fault in sdio_uart_open(): Unable to handle kernel NULL pointer dereference at virtual address 00000084 pgd = dfb44000 [00000084] *pgd=1fb99031, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] PREEMPT last sysfs file: /sys/devices/platform/mvsdio/mmc_host/mmc0/mmc0:f111/uevent Modules linked in: CPU: 0 Not tainted (2.6.32-rc5-next-20091102-00001-gb36eae9 #10) PC is at sdio_uart_open+0x204/0x2cc [...] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/mmc/card')
-rw-r--r--drivers/mmc/card/sdio_uart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c
index c2759dbfdfd..671fe5efabf 100644
--- a/drivers/mmc/card/sdio_uart.c
+++ b/drivers/mmc/card/sdio_uart.c
@@ -608,7 +608,7 @@ static int sdio_uart_startup(struct sdio_uart_port *port)
if (!(sdio_uart_get_mctrl(port) & TIOCM_CTS))
tty->hw_stopped = 1;
- clear_bit(TTY_IO_ERROR, &port->tty->flags);
+ clear_bit(TTY_IO_ERROR, &tty->flags);
/* Kick the IRQ handler once while we're still holding the host lock */
sdio_uart_irq(port->func);