Files
linux-legacy/include/linux
Alan Stern dd02f3999f USB: serial: don't call release without attach
commit a4720c650b68a5fe7faed2edeb0ad12645f7ae63 upstream.

This patch (as1295) fixes a recently-added bug in the USB serial core.
If certain kinds of errors occur during probing, the core may call a
serial driver's release method without previously calling the attach
method.  This causes some drivers (io_ti in particular) to perform an
invalid memory access.

The patch adds a new flag to keep track of whether or not attach has
been called.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Jean-Denis Girard <jd.girard@sysnux.pf>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-22 15:11:49 -07:00
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