]> git.kernelconcepts.de Git - karo-tx-linux.git/commit
usb-serial: don't release unregistered minors
authorAlan Stern <stern@rowland.harvard.edu>
Thu, 14 Aug 2008 03:55:11 +0000 (03:55 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 20 Aug 2008 18:05:02 +0000 (11:05 -0700)
commitbb457a9869e945299445f13bf618975d1562ab83
tree76c6328cad297d5d3eab11e1666e8f5ab49294e8
parent092634b61d9a75c491749dd983f8738312c1e547
usb-serial: don't release unregistered minors

commit 0282b7f2a874e72c18fcd5a112ccf67f71ba7f5c upstream

This patch (as1121) fixes a bug in the USB serial core.  When a device
is unregistered, the core will give back its minors -- even if the
device hasn't been assigned any!

The patch reserves the highest minor value (255) to mean that no minor
was assigned.  It also removes some dead code and does a small style
fixup.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/serial/usb-serial.c
include/linux/usb/serial.h