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This code assumes that "len" is at least 62 bytes, but we need a check to prevent a read overflow. Fixes: 61e121047645 ("staging: gdm7240: adding LTE USB driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/YMcoTPsCYlhh2TQo@mwanda Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>