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Use kasprintf instead of combination of kmalloc and sprintf and therefore avoid unnecessary computation of string length. Also, remove the useless local variable. Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>