diff options
Diffstat (limited to 'drivers/base/map.c')
| -rw-r--r-- | drivers/base/map.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/base/map.c b/drivers/base/map.c index e87017f36853..83aeb09ca161 100644 --- a/drivers/base/map.c +++ b/drivers/base/map.c @@ -1,8 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/base/map.c * * (C) Copyright Al Viro 2002,2003 - * Released under GPL v2. * * NOTE: data structure needs to be changed. It works, but for large dev_t * it will be too slow. It is isolated, though, so these changes will be @@ -33,16 +33,15 @@ int kobj_map(struct kobj_map *domain, dev_t dev, unsigned long range, struct module *module, kobj_probe_t *probe, int (*lock)(dev_t, void *), void *data) { - unsigned n = MAJOR(dev + range - 1) - MAJOR(dev) + 1; - unsigned index = MAJOR(dev); - unsigned i; + unsigned int n = MAJOR(dev + range - 1) - MAJOR(dev) + 1; + unsigned int index = MAJOR(dev); + unsigned int i; struct probe *p; if (n > 255) n = 255; - p = kmalloc(sizeof(struct probe) * n, GFP_KERNEL); - + p = kmalloc_array(n, sizeof(struct probe), GFP_KERNEL); if (p == NULL) return -ENOMEM; @@ -68,9 +67,9 @@ int kobj_map(struct kobj_map *domain, dev_t dev, unsigned long range, void kobj_unmap(struct kobj_map *domain, dev_t dev, unsigned long range) { - unsigned n = MAJOR(dev + range - 1) - MAJOR(dev) + 1; - unsigned index = MAJOR(dev); - unsigned i; + unsigned int n = MAJOR(dev + range - 1) - MAJOR(dev) + 1; + unsigned int index = MAJOR(dev); + unsigned int i; struct probe *found = NULL; if (n > 255) |