only set the serial descriptor once
commit907018d94da81f3b33a4623c1d6d31ea4710f6ce
authorgevaerts <gevaerts@a1c6a512-1295-4272-9138-f99709370657>
Mon, 25 Feb 2008 22:26:07 +0000 (25 22:26 +0000)
committergevaerts <gevaerts@a1c6a512-1295-4272-9138-f99709370657>
Mon, 25 Feb 2008 22:26:07 +0000 (25 22:26 +0000)
tree9a71785a5c89aefc3222d2a3873f91f0efa2db1b
parente95c94d8015d4650e0224ba5efb763523bb4937b
only set the serial descriptor once

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16421 a1c6a512-1295-4272-9138-f99709370657
firmware/usbstack/usb_core.c