[ Upstream commit 4f1aa35f1f ]
"struct_size() + n" may cause a integer overflow,
use size_add() to handle it.
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Link: https://lore.kernel.org/r/20220927070247.23148-1-yuzhe@nfschina.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>