3.6.11.9-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold [ Upstream commit 5f8a2e68b679b41cc8e9b642f2f5aa45dd678641 ] Allocated urbs and buffers were never freed on errors in open. Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman Signed-off-by: Steven Rostedt --- drivers/usb/serial/mos7840.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 3193d25..15cc47d 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -972,20 +972,20 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) status = mos7840_get_reg_sync(port, mos7840_port->SpRegOffset, &Data); if (status < 0) { dbg("Reading Spreg failed"); - return -1; + goto err; } Data |= 0x80; status = mos7840_set_reg_sync(port, mos7840_port->SpRegOffset, Data); if (status < 0) { dbg("writing Spreg failed"); - return -1; + goto err; } Data &= ~0x80; status = mos7840_set_reg_sync(port, mos7840_port->SpRegOffset, Data); if (status < 0) { dbg("writing Spreg failed"); - return -1; + goto err; } /* End of block to be checked */ @@ -994,7 +994,7 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) &Data); if (status < 0) { dbg("Reading Controlreg failed"); - return -1; + goto err; } Data |= 0x08; /* Driver done bit */ Data |= 0x20; /* rx_disable */ @@ -1002,7 +1002,7 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) mos7840_port->ControlRegOffset, Data); if (status < 0) { dbg("writing Controlreg failed"); - return -1; + goto err; } /* do register settings here */ /* Set all regs to the device default values. */ @@ -1013,21 +1013,21 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) status = mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data); if (status < 0) { dbg("disabling interrupts failed"); - return -1; + goto err; } /* Set FIFO_CONTROL_REGISTER to the default value */ Data = 0x00; status = mos7840_set_uart_reg(port, FIFO_CONTROL_REGISTER, Data); if (status < 0) { dbg("Writing FIFO_CONTROL_REGISTER failed"); - return -1; + goto err; } Data = 0xcf; status = mos7840_set_uart_reg(port, FIFO_CONTROL_REGISTER, Data); if (status < 0) { dbg("Writing FIFO_CONTROL_REGISTER failed"); - return -1; + goto err; } Data = 0x03; @@ -1181,6 +1181,15 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) serial, mos7840_port, port); return 0; +err: + for (j = 0; j < NUM_URBS; ++j) { + urb = mos7840_port->write_urb_pool[j]; + if (!urb) + continue; + kfree(urb->transfer_buffer); + usb_free_urb(urb); + } + return status; } /***************************************************************************** -- 1.7.10.4 -- 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/