Commit 5dd42419 authored May 22, 2023 by Gustavo A. R. Silva Committed by Alexander Gordeev Jun 01, 2023

vfio/ccw: replace one-element array with flexible-array member

One-element arrays are deprecated, and we are replacing them with flexible
array members instead. So, replace one-element array with flexible-array
member in struct vfio_ccw_parent and refactor the rest of the code
accordingly.

Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/KSPP/linux/issues/297


Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/3c10549ebe1564eade68a2515bde233527376971.1684805398.git.gustavoars@kernel.org


Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

parent fbac266f

drivers/s390/cio/vfio_ccw_drv.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -171,7 +171,8 @@ static int vfio_ccw_sch_probe(struct subchannel *sch)
		return -ENODEV;
		}

		parent = kzalloc(sizeof(*parent), GFP_KERNEL);
		parent = kzalloc(sizeof(parent) + sizeof(struct mdev_type ),
		GFP_KERNEL);
		if (!parent)
		return -ENOMEM;

drivers/s390/cio/vfio_ccw_private.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -79,7 +79,7 @@ struct vfio_ccw_parent {

		struct mdev_parent parent;
		struct mdev_type mdev_type;
		struct mdev_type *mdev_types[1];
		struct mdev_type *mdev_types[];
		};

		/**