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authorJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
committerJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
commit86d688984deefa3ae5a802880c11f2b408b5d6cf (patch)
tree7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /drivers/usb/serial/usb-serial.c
parent93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff)
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
downloadtalos-op-linux-86d688984deefa3ae5a802880c11f2b408b5d6cf.tar.gz
talos-op-linux-86d688984deefa3ae5a802880c11f2b408b5d6cf.zip
Merge branch 'master' into next
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r--drivers/usb/serial/usb-serial.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 8c2d531eedea..b157c48e8b78 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -122,9 +122,6 @@ static void return_serial(struct usb_serial *serial)
dbg("%s", __func__);
- if (serial == NULL)
- return;
-
for (i = 0; i < serial->num_ports; ++i)
serial_table[serial->minor + i] = NULL;
}
@@ -142,7 +139,8 @@ static void destroy_serial(struct kref *kref)
serial->type->shutdown(serial);
/* return the minor range that this device had */
- return_serial(serial);
+ if (serial->minor != SERIAL_TTY_NO_MINOR)
+ return_serial(serial);
for (i = 0; i < serial->num_ports; ++i)
serial->port[i]->port.count = 0;
@@ -575,6 +573,7 @@ static struct usb_serial *create_serial(struct usb_device *dev,
serial->interface = interface;
kref_init(&serial->kref);
mutex_init(&serial->disc_mutex);
+ serial->minor = SERIAL_TTY_NO_MINOR;
return serial;
}
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