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-rw-r--r--drivers/base/firmware_loader/fallback.c7
-rw-r--r--drivers/base/firmware_loader/fallback.h11
-rw-r--r--drivers/base/firmware_loader/fallback_table.c25
-rw-r--r--include/linux/sysctl.h1
-rw-r--r--kernel/sysctl.c7
5 files changed, 40 insertions, 11 deletions
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index d7d63c1aa993..4afb0e9312c0 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -199,11 +199,16 @@ static struct class firmware_class = {
int register_sysfs_loader(void)
{
- return class_register(&firmware_class);
+ int ret = class_register(&firmware_class);
+
+ if (ret != 0)
+ return ret;
+ return register_firmware_config_sysctl();
}
void unregister_sysfs_loader(void)
{
+ unregister_firmware_config_sysctl();
class_unregister(&firmware_class);
}
diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h
index 3af7205b302f..9f3055d3b4ca 100644
--- a/drivers/base/firmware_loader/fallback.h
+++ b/drivers/base/firmware_loader/fallback.h
@@ -42,6 +42,17 @@ void fw_fallback_set_default_timeout(void);
int register_sysfs_loader(void);
void unregister_sysfs_loader(void);
+#ifdef CONFIG_SYSCTL
+extern int register_firmware_config_sysctl(void);
+extern void unregister_firmware_config_sysctl(void);
+#else
+static inline int register_firmware_config_sysctl(void)
+{
+ return 0;
+}
+static inline void unregister_firmware_config_sysctl(void) { }
+#endif /* CONFIG_SYSCTL */
+
#else /* CONFIG_FW_LOADER_USER_HELPER */
static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name,
struct device *device,
diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c
index 46a731dede6f..e5ac098d0742 100644
--- a/drivers/base/firmware_loader/fallback_table.c
+++ b/drivers/base/firmware_loader/fallback_table.c
@@ -4,6 +4,7 @@
#include <linux/kconfig.h>
#include <linux/list.h>
#include <linux/slab.h>
+#include <linux/export.h>
#include <linux/security.h>
#include <linux/highmem.h>
#include <linux/umh.h>
@@ -24,7 +25,7 @@ struct firmware_fallback_config fw_fallback_config = {
EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE);
#ifdef CONFIG_SYSCTL
-struct ctl_table firmware_config_table[] = {
+static struct ctl_table firmware_config_table[] = {
{
.procname = "force_sysfs_fallback",
.data = &fw_fallback_config.force_sysfs_fallback,
@@ -45,4 +46,24 @@ struct ctl_table firmware_config_table[] = {
},
{ }
};
-#endif
+
+static struct ctl_table_header *firmware_config_sysct_table_header;
+int register_firmware_config_sysctl(void)
+{
+ firmware_config_sysct_table_header =
+ register_sysctl("kernel/firmware_config",
+ firmware_config_table);
+ if (!firmware_config_sysct_table_header)
+ return -ENOMEM;
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(register_firmware_config_sysctl, FIRMWARE_LOADER_PRIVATE);
+
+void unregister_firmware_config_sysctl(void)
+{
+ unregister_sysctl_table(firmware_config_sysct_table_header);
+ firmware_config_sysct_table_header = NULL;
+}
+EXPORT_SYMBOL_NS_GPL(unregister_firmware_config_sysctl, FIRMWARE_LOADER_PRIVATE);
+
+#endif /* CONFIG_SYSCTL */
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 6dd0f277f844..3985e9c80155 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -218,7 +218,6 @@ extern int no_unaligned_warning;
extern struct ctl_table sysctl_mount_point[];
extern struct ctl_table random_table[];
-extern struct ctl_table firmware_config_table[];
#else /* CONFIG_SYSCTL */
static inline struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 09fa72299f18..5fc3ae16e995 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2154,13 +2154,6 @@ static struct ctl_table kern_table[] = {
.mode = 0555,
.child = usermodehelper_table,
},
-#ifdef CONFIG_FW_LOADER_USER_HELPER
- {
- .procname = "firmware_config",
- .mode = 0555,
- .child = firmware_config_table,
- },
-#endif
{
.procname = "overflowuid",
.data = &overflowuid,