diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-10-25 18:56:32 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-25 11:11:19 -0700 |
| commit | 28c3ae9a8cf45f439c9a0779ebd0256e2ae72813 (patch) | |
| tree | f9d9ea23d793f28baa76b0662f86fc367f1381d6 | |
| parent | 961be09e1ead58509ed4bed0d5819a15d8613d8d (diff) | |
| download | linux-28c3ae9a8cf45f439c9a0779ebd0256e2ae72813.tar.gz | |
USB: mos7840: remove NULL-urb submission
The private int_urb is never allocated so the submission from the
control completion handler will always fail. Remove this odd piece of
broken code.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index c5e5a6c8d69e..f2c4bb709747 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -218,7 +218,6 @@ struct moschip_port { int port_num; /*Actual port number in the device(1,2,etc) */ struct urb *write_urb; /* write URB for this port */ struct urb *read_urb; /* read URB for this port */ - struct urb *int_urb; __u8 shadowLCR; /* last LCR value received */ __u8 shadowMCR; /* last MCR value received */ char open; @@ -478,7 +477,6 @@ static void mos7840_control_callback(struct urb *urb) struct moschip_port *mos7840_port; struct device *dev = &urb->dev->dev; __u8 regval = 0x0; - int result = 0; int status = urb->status; mos7840_port = urb->context; @@ -495,7 +493,7 @@ static void mos7840_control_callback(struct urb *urb) return; default: dev_dbg(dev, "%s - nonzero urb status received: %d\n", __func__, status); - goto exit; + return; } dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length); @@ -508,16 +506,6 @@ static void mos7840_control_callback(struct urb *urb) mos7840_handle_new_msr(mos7840_port, regval); else if (mos7840_port->MsrLsr == 1) mos7840_handle_new_lsr(mos7840_port, regval); - -exit: - spin_lock(&mos7840_port->pool_lock); - if (!mos7840_port->zombie) - result = usb_submit_urb(mos7840_port->int_urb, GFP_ATOMIC); - spin_unlock(&mos7840_port->pool_lock); - if (result) { - dev_err(dev, "%s - Error %d submitting interrupt urb\n", - __func__, result); - } } static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg, |