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s390/vfio-ap: make matrix_bus const

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Now that the driver core can properly handle constant struct bus_type,
move the matrix_bus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: "Jason J. Herne" <jjherne@linux.ibm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-6-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Ricardo B. Marliere 2024-02-03 11:58:03 -03:00 committed by Heiko Carstens
parent 5b43178754
commit 9e99049a80
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/crypto/vfio_ap_drv.c
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@ -60,7 +60,7 @@ static void vfio_ap_matrix_dev_release(struct device *dev)
kfree(matrix_dev);
}
static struct bus_type matrix_bus = {
static const struct bus_type matrix_bus = {
.name = "matrix",
};