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| author | Johan Hovold <jhovold@gmail.com> | 2012-10-25 18:56:32 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-31 10:10:18 -0700 |
| commit | ee52fcd83c615252a8118e146f8db61358ecdb4b (patch) | |
| tree | 31b5921e51c050200c7354aebf3940d44040e4d4 | |
| parent | da0d04fd143824b6d2657c267a8a09517194370b (diff) | |
| download | linux-stable-ee52fcd83c615252a8118e146f8db61358ecdb4b.tar.gz linux-stable-ee52fcd83c615252a8118e146f8db61358ecdb4b.tar.bz2 linux-stable-ee52fcd83c615252a8118e146f8db61358ecdb4b.zip | |
USB: mos7840: remove NULL-urb submission
commit 28c3ae9a8cf45f439c9a0779ebd0256e2ae72813 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index bff3f8e87987..dd0ea789d875 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; @@ -493,7 +492,6 @@ static void mos7840_control_callback(struct urb *urb) unsigned char *data; struct moschip_port *mos7840_port; __u8 regval = 0x0; - int result = 0; int status = urb->status; mos7840_port = urb->context; @@ -512,7 +510,7 @@ static void mos7840_control_callback(struct urb *urb) default: dbg("%s - nonzero urb status received: %d", __func__, status); - goto exit; + return; } dbg("%s urb buffer size is %d", __func__, urb->actual_length); @@ -525,17 +523,6 @@ 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(&urb->dev->dev, - "%s - Error %d submitting interrupt urb\n", - __func__, result); - } } static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg, |