net/netlabel/netlabel_kapi.c

539  * _netlbl_catmap_getnode - Get a individual node from a catmap
540  * @catmap: pointer to the category bitmap
542  * @cm_flags: catmap flags, see _CM_F_*
546  * Iterate through the catmap looking for the node associated with @offset.
548  * one will be created and inserted into the catmap.  If the _CM_F_WALK flag is
554 					     struct netlbl_lsm_catmap **catmap,
559 	struct netlbl_lsm_catmap *iter = *catmap;
588 		iter->next = *catmap;
589 		*catmap = iter;
599  * netlbl_catmap_walk - Walk a LSM secattr catmap looking for a bit
600  * @catmap: the category bitmap
608 int netlbl_catmap_walk(struct netlbl_lsm_catmap *catmap, u32 offset)
615 	iter = _netlbl_catmap_getnode(&catmap, offset, _CM_F_WALK, 0);
654  * @catmap: the category bitmap
663 int netlbl_catmap_walkrng(struct netlbl_lsm_catmap *catmap, u32 offset)
672 	iter = _netlbl_catmap_getnode(&catmap, offset, _CM_F_WALK, 0);
713  * @catmap: pointer to the category bitmap
720  * updated on return if different from what was requested; if the catmap is
725 int netlbl_catmap_getlong(struct netlbl_lsm_catmap *catmap,
737 	/* a null catmap is equivalent to an empty one */
738 	if (!catmap) {
743 	if (off < catmap->startbit) {
744 		off = catmap->startbit;
747 	iter = _netlbl_catmap_getnode(&catmap, off, _CM_F_WALK, 0);
765  * netlbl_catmap_setbit - Set a bit in a LSM secattr catmap
766  * @catmap: pointer to the category bitmap
771  * Set the bit specified by @bit in @catmap.  Returns zero on success,
775 int netlbl_catmap_setbit(struct netlbl_lsm_catmap **catmap,
782 	iter = _netlbl_catmap_getnode(catmap, bit, _CM_F_ALLOC, flags);
795  * netlbl_catmap_setrng - Set a range of bits in a LSM secattr catmap
796  * @catmap: pointer to the category bitmap
806 int netlbl_catmap_setrng(struct netlbl_lsm_catmap **catmap,
817 			rc = netlbl_catmap_setlong(catmap,
823 			rc = netlbl_catmap_setbit(catmap, spot++, flags);
831  * @catmap: pointer to the category bitmap
837  * Import the bitmap specified in @bitmap into @catmap, using the offset
842 int netlbl_catmap_setlong(struct netlbl_lsm_catmap **catmap,
854 	iter = _netlbl_catmap_getnode(catmap, offset, _CM_F_ALLOC, flags);