| Submitter | Alan Cox |
|---|---|
| Date | 2009-11-03 14:18:58 |
| Message ID | <20091103141846.31032.81142.stgit@localhost.localdomain> |
| Download | mbox | patch |
| Permalink | /patch/57317/ |
| State | New |
| Headers | show |
Comments
Patch
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c index ebb5d4b..0a3acfb 100644 --- a/drivers/mmc/card/sdio_uart.c +++ b/drivers/mmc/card/sdio_uart.c @@ -565,10 +565,14 @@ static void uart_dtr_rts(struct tty_port *tport, int onoff) { struct sdio_uart_port *port = container_of(tport, struct sdio_uart_port, port); + int ret = sdio_uart_claim_func(port); + if (ret) + return; if (onoff == 0) sdio_uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); else sdio_uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS); + sdio_uart_release_func(port); } /**
The new dtr_rts function didn't take the port->func lock as it should so add use of the lock there. Signed-off-by: Alan Cox <alan@linux.intel.com> --- drivers/mmc/card/sdio_uart.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/