57 xattr_resolve_name(struct inode *inode, const char **name)  in xattr_resolve_name()  argument
70 		n = strcmp_prefix(*name, xattr_prefix(handler));  in xattr_resolve_name()
77 			*name = n;  in xattr_resolve_name()
115 		 const char *name, int mask)  in xattr_permission()  argument
129 	if (!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN) ||  in xattr_permission()
130 	    !strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))  in xattr_permission()
136 	if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {  in xattr_permission()
147 	if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN)) {  in xattr_permission()
186 	       struct inode *inode, const char *name, const void *value,  in __vfs_setxattr()  argument
191 	if (is_posix_acl_xattr(name))  in __vfs_setxattr()
194 	handler = xattr_resolve_name(inode, &name);  in __vfs_setxattr()
201 	return handler->set(handler, idmap, dentry, inode, name, value,  in __vfs_setxattr()
224 			  struct dentry *dentry, const char *name,  in __vfs_setxattr_noperm()  argument
229 	int issec = !strncmp(name, XATTR_SECURITY_PREFIX,  in __vfs_setxattr_noperm()
235 		error = __vfs_setxattr(idmap, dentry, inode, name, value,  in __vfs_setxattr_noperm()
239 			security_inode_post_setxattr(dentry, name, value,  in __vfs_setxattr_noperm()
250 			const char *suffix = name + XATTR_SECURITY_PREFIX_LEN;  in __vfs_setxattr_noperm()
277 		      const char *name, const void *value, size_t size,  in __vfs_setxattr_locked()  argument
283 	error = xattr_permission(idmap, inode, name, MAY_WRITE);  in __vfs_setxattr_locked()
287 	error = security_inode_setxattr(idmap, dentry, name, value, size,  in __vfs_setxattr_locked()
296 	error = __vfs_setxattr_noperm(idmap, dentry, name, value,  in __vfs_setxattr_locked()
306 	     const char *name, const void *value, size_t size, int flags)  in vfs_setxattr()  argument
313 	if (size && strcmp(name, XATTR_NAME_CAPS) == 0) {  in vfs_setxattr()
322 	error = __vfs_setxattr_locked(idmap, dentry, name, value, size,  in vfs_setxattr()
340 		  const char *name, void *value, size_t size)  in xattr_getsecurity()  argument
346 		len = security_inode_getsecurity(idmap, inode, name,  in xattr_getsecurity()
351 	len = security_inode_getsecurity(idmap, inode, name, &buffer,  in xattr_getsecurity()
377 		   const char *name, char **xattr_value, size_t xattr_size,  in vfs_getxattr_alloc()  argument
385 	error = xattr_permission(idmap, inode, name, MAY_READ);  in vfs_getxattr_alloc()
389 	handler = xattr_resolve_name(inode, &name);  in vfs_getxattr_alloc()
394 	error = handler->get(handler, dentry, inode, name, NULL, 0);  in vfs_getxattr_alloc()
405 	error = handler->get(handler, dentry, inode, name, value, error);  in vfs_getxattr_alloc()
411 __vfs_getxattr(struct dentry *dentry, struct inode *inode, const char *name,  in __vfs_getxattr()  argument
416 	if (is_posix_acl_xattr(name))  in __vfs_getxattr()
419 	handler = xattr_resolve_name(inode, &name);  in __vfs_getxattr()
424 	return handler->get(handler, dentry, inode, name, value, size);  in __vfs_getxattr()
430 	     const char *name, void *value, size_t size)  in vfs_getxattr()  argument
435 	error = xattr_permission(idmap, inode, name, MAY_READ);  in vfs_getxattr()
439 	error = security_inode_getxattr(dentry, name);  in vfs_getxattr()
443 	if (!strncmp(name, XATTR_SECURITY_PREFIX,  in vfs_getxattr()
445 		const char *suffix = name + XATTR_SECURITY_PREFIX_LEN;  in vfs_getxattr()
457 	return __vfs_getxattr(dentry, inode, name, value, size);  in vfs_getxattr()
506 		  const char *name)  in __vfs_removexattr()  argument
511 	if (is_posix_acl_xattr(name))  in __vfs_removexattr()
514 	handler = xattr_resolve_name(inode, &name);  in __vfs_removexattr()
519 	return handler->set(handler, idmap, dentry, inode, name, NULL, 0,  in __vfs_removexattr()
536 			 struct dentry *dentry, const char *name,  in __vfs_removexattr_locked()  argument
542 	error = xattr_permission(idmap, inode, name, MAY_WRITE);  in __vfs_removexattr_locked()
546 	error = security_inode_removexattr(idmap, dentry, name);  in __vfs_removexattr_locked()
554 	error = __vfs_removexattr(idmap, dentry, name);  in __vfs_removexattr_locked()
558 		evm_inode_post_removexattr(dentry, name);  in __vfs_removexattr_locked()
568 		const char *name)  in vfs_removexattr()  argument
577 					 name, &delegated_inode);  in vfs_removexattr()
594 int setxattr_copy(const char __user *name, struct xattr_ctx *ctx)  in setxattr_copy()  argument
601 	error = strncpy_from_user(ctx->kname->name, name,  in setxattr_copy()
602 				sizeof(ctx->kname->name));  in setxattr_copy()
603 	if (error == 0 || error == sizeof(ctx->kname->name))  in setxattr_copy()
626 	if (is_posix_acl_xattr(ctx->kname->name))  in do_setxattr()
627 		return do_set_acl(idmap, dentry, ctx->kname->name,  in do_setxattr()
630 	return vfs_setxattr(idmap, dentry, ctx->kname->name,  in do_setxattr()
635 			 const char __user *name, const void __user *value,  in path_setxattr()  argument
649 	error = setxattr_copy(name, &ctx);  in path_setxattr()
674 		const char __user *, name, const void __user *, value,  in SYSCALL_DEFINE5()
677 	return path_setxattr(pathname, name, value, size, flags, LOOKUP_FOLLOW);  in SYSCALL_DEFINE5()
681 		const char __user *, name, const void __user *, value,  in SYSCALL_DEFINE5()
684 	return path_setxattr(pathname, name, value, size, flags, 0);  in SYSCALL_DEFINE5()
687 SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,  in SYSCALL_DEFINE5()  argument
705 	error = setxattr_copy(name, &ctx);  in SYSCALL_DEFINE5()
727 	char *kname = ctx->kname->name;  in do_getxattr()
737 	if (is_posix_acl_xattr(ctx->kname->name))  in do_getxattr()
755 	 const char __user *name, void __user *value, size_t size)  in getxattr()  argument
767 	error = strncpy_from_user(kname.name, name, sizeof(kname.name));  in getxattr()
768 	if (error == 0 || error == sizeof(kname.name))  in getxattr()
780 			     const char __user *name, void __user *value,  in path_getxattr()  argument
789 	error = getxattr(mnt_idmap(path.mnt), path.dentry, name, value, size);  in path_getxattr()
799 		const char __user *, name, void __user *, value, size_t, size)  in SYSCALL_DEFINE4()
801 	return path_getxattr(pathname, name, value, size, LOOKUP_FOLLOW);  in SYSCALL_DEFINE4()
805 		const char __user *, name, void __user *, value, size_t, size)  in SYSCALL_DEFINE4()
807 	return path_getxattr(pathname, name, value, size, 0);  in SYSCALL_DEFINE4()
810 SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name,  in SYSCALL_DEFINE4()  argument
820 			 name, value, size);  in SYSCALL_DEFINE4()
904 removexattr(struct mnt_idmap *idmap, struct dentry *d, const char *name)  in removexattr()  argument
906 	if (is_posix_acl_xattr(name))  in removexattr()
907 		return vfs_remove_acl(idmap, d, name);  in removexattr()
908 	return vfs_removexattr(idmap, d, name);  in removexattr()
912 			    const char __user *name, unsigned int lookup_flags)  in path_removexattr()  argument
918 	error = strncpy_from_user(kname, name, sizeof(kname));  in path_removexattr()
941 		const char __user *, name)  in SYSCALL_DEFINE2()
943 	return path_removexattr(pathname, name, LOOKUP_FOLLOW);  in SYSCALL_DEFINE2()
947 		const char __user *, name)  in SYSCALL_DEFINE2()
949 	return path_removexattr(pathname, name, 0);  in SYSCALL_DEFINE2()
952 SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)  in SYSCALL_DEFINE2()  argument
962 	error = strncpy_from_user(kname, name, sizeof(kname));  in SYSCALL_DEFINE2()
978 int xattr_list_one(char **buffer, ssize_t *remaining_size, const char *name)  in xattr_list_one()  argument
982 	len = strlen(name) + 1;  in xattr_list_one()
986 		memcpy(*buffer, name, len);  in xattr_list_one()
1012 		if (!handler->name || (handler->list && !handler->list(dentry)))  in generic_listxattr()
1014 		err = xattr_list_one(&buffer, &remaining_size, handler->name);  in generic_listxattr()
1039 			    const char *name)  in xattr_full_name()  argument
1043 	return name - prefix_len;  in xattr_full_name()
1058 size_t simple_xattr_space(const char *name, size_t size)  in simple_xattr_space()  argument
1064 	return 40 + size + strlen(name);  in simple_xattr_space()
1076 		kfree(xattr->name);  in simple_xattr_free()
1126 	return strcmp(xattr->name, xattr_name);  in rbtree_simple_xattr_cmp()
1144 	return rbtree_simple_xattr_cmp(xattr->name, node);  in rbtree_simple_xattr_node_cmp()
1162 int simple_xattr_get(struct simple_xattrs *xattrs, const char *name,  in simple_xattr_get()  argument
1170 	rbp = rb_find(name, &xattrs->rb_root, rbtree_simple_xattr_cmp);  in simple_xattr_get()
1212 				      const char *name, const void *value,  in simple_xattr_set()  argument
1225 		new_xattr->name = kstrdup(name, GFP_KERNEL_ACCOUNT);  in simple_xattr_set()
1226 		if (!new_xattr->name) {  in simple_xattr_set()
1236 		ret = rbtree_simple_xattr_cmp(name, *rbp);  in simple_xattr_set()
1289 static bool xattr_is_trusted(const char *name)  in xattr_is_trusted()  argument
1291 	return !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);  in xattr_is_trusted()
1331 		if (!trusted && xattr_is_trusted(xattr->name))  in simple_xattr_list()
1334 		err = xattr_list_one(&buffer, &remaining_size, xattr->name);  in simple_xattr_list()
1411 			*freed_space += simple_xattr_space(xattr->name,  in simple_xattrs_free()