drm/nouveau: refactor deprecated strcpy

drm/nouveau: refactor deprecated strcpy

[ Upstream commit 2bdc2c0e12fac56e41ec05fb771ead986ea6dac0 ]

strcpy() has been deprecated because it performs no bounds checking on the
destination buffer, which can lead to buffer overflows. Use the safer
strscpy() instead.

Signed-off-by: Madhur Kumar <madhurkumar004@gmail.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Fixes: 15a996bbb697 ("drm/nouveau: assign fence_chan->name correctly")
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patch.msgid.link/20251204120822.17502-1-madhurkumar004@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>