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| author |   Nicolas Pitre <nico@fluxnic.net> | 2009-11-05 13:28:17 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 15:18:05 -0800 |
| commit | 0395b48c78ed822f251ab15d0fbc3ce06f41ffb1 (patch) | |
| tree | 9f20b8480ce4fe7ea014367cfc070e888663ec3f /drivers | |
| parent | sdio_uart: use tty_port (diff) | |
| download | linux-dev-0395b48c78ed822f251ab15d0fbc3ce06f41ffb1.tar.xz linux-dev-0395b48c78ed822f251ab15d0fbc3ce06f41ffb1.zip | |
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')
| -rw-r--r-- | drivers/mmc/card/sdio_uart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c index c2759dbfdfd2..671fe5efabf3 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); |