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authorSang-Heon Jeon <ekffu200098@gmail.com>2026-08-24 01:18:14 +0900
committerJulia Lawall <Julia.Lawall@inria.fr>2026-08-23 22:12:11 +0200
commit2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c (patch)
treedcc4da1d99f17541c5590ac63c77da4bf372a4ab /security/keys/sysctl.c
downloadlinux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.tar.gz
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coccinelle: alloc_cast: drop removed allocatorsgrafted
- pci_alloc_consistent() and pci_zalloc_consistent() were removed by commit 7968778914e5 ("PCI: Remove the deprecated "pci-dma-compat.h" API") - kmem_alloc() was removed by commit f078d4ea8276 ("xfs: convert kmem_alloc() to kmalloc()") - kmem_zalloc() was removed by commit 10634530f7ba ("xfs: convert kmem_zalloc() to kzalloc()") - kmem_zone_alloc() and kmem_zone_zalloc() were removed by commit bae633a4a283 ("xfs: remove xfs_zone_{alloc,zalloc} helpers") So drop them from the rules. No functional change. Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to 'security/keys/sysctl.c')
-rw-r--r--security/keys/sysctl.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/security/keys/sysctl.c b/security/keys/sysctl.c
new file mode 100644
index 000000000..cde08c478
--- /dev/null
+++ b/security/keys/sysctl.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Key management controls
+ *
+ * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#include <linux/key.h>
+#include <linux/sysctl.h>
+#include "internal.h"
+
+static const struct ctl_table key_sysctls[] = {
+ {
+ .procname = "maxkeys",
+ .data = &key_quota_maxkeys,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) SYSCTL_ONE,
+ .extra2 = (void *) SYSCTL_INT_MAX,
+ },
+ {
+ .procname = "maxbytes",
+ .data = &key_quota_maxbytes,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) SYSCTL_ONE,
+ .extra2 = (void *) SYSCTL_INT_MAX,
+ },
+ {
+ .procname = "root_maxkeys",
+ .data = &key_quota_root_maxkeys,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) SYSCTL_ONE,
+ .extra2 = (void *) SYSCTL_INT_MAX,
+ },
+ {
+ .procname = "root_maxbytes",
+ .data = &key_quota_root_maxbytes,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) SYSCTL_ONE,
+ .extra2 = (void *) SYSCTL_INT_MAX,
+ },
+ {
+ .procname = "gc_delay",
+ .data = &key_gc_delay,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) SYSCTL_ZERO,
+ .extra2 = (void *) SYSCTL_INT_MAX,
+ },
+#ifdef CONFIG_PERSISTENT_KEYRINGS
+ {
+ .procname = "persistent_keyring_expiry",
+ .data = &persistent_keyring_expiry,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) SYSCTL_ZERO,
+ .extra2 = (void *) SYSCTL_INT_MAX,
+ },
+#endif
+};
+
+static int __init init_security_keys_sysctls(void)
+{
+ register_sysctl_init("kernel/keys", key_sysctls);
+ return 0;
+}
+early_initcall(init_security_keys_sysctls);