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HID: fix HIDIOCGRDESC memory access in hidraw
authorJiri Kosina <jkosina@suse.cz>
Mon, 15 Oct 2007 13:17:41 +0000 (15:17 +0200)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Mon, 15 Oct 2007 15:12:00 +0000 (08:12 -0700)
Fix bogus copying of data into userspace when HIDIOCGRDESC is issued.
HID-transport layer makes sure that dev->hid->rdesc is not larger than
HID_MAX_DESCRIPTOR_SIZE.

Noticed-by: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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