diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile | 3 | ||||
| -rw-r--r-- | lib/btree.c | 1 | ||||
| -rw-r--r-- | lib/crypto/blake2s-generic.c | 5 | ||||
| -rw-r--r-- | lib/crypto/blake2s.c | 1 | ||||
| -rw-r--r-- | lib/dynamic_debug.c | 51 | ||||
| -rw-r--r-- | lib/pldmfw/pldmfw.c | 1 | ||||
| -rw-r--r-- | lib/test_fprobe.c | 1 |
7 files changed, 44 insertions, 19 deletions
diff --git a/lib/Makefile b/lib/Makefile index 31a3a257fd49..876fcdeae34e 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -231,6 +231,9 @@ lib-$(CONFIG_GENERIC_BUG) += bug.o obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_debug.o +#ensure exported functions have prototypes +CFLAGS_dynamic_debug.o := -DDYNAMIC_DEBUG_MODULE + obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o obj-$(CONFIG_NLATTR) += nlattr.o diff --git a/lib/btree.c b/lib/btree.c index a82100c73b55..49420cae3a83 100644 --- a/lib/btree.c +++ b/lib/btree.c @@ -794,4 +794,3 @@ module_exit(btree_module_exit); MODULE_AUTHOR("Joern Engel <joern@logfs.org>"); MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>"); -MODULE_LICENSE("GPL"); diff --git a/lib/crypto/blake2s-generic.c b/lib/crypto/blake2s-generic.c index 75ccb3e633e6..3b6dcfdd9628 100644 --- a/lib/crypto/blake2s-generic.c +++ b/lib/crypto/blake2s-generic.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> #include <linux/bug.h> #include <asm/unaligned.h> @@ -109,7 +108,3 @@ void blake2s_compress_generic(struct blake2s_state *state, const u8 *block, } EXPORT_SYMBOL(blake2s_compress_generic); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("BLAKE2s hash function"); -MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>"); diff --git a/lib/crypto/blake2s.c b/lib/crypto/blake2s.c index 98e688c6d891..71a316552cc5 100644 --- a/lib/crypto/blake2s.c +++ b/lib/crypto/blake2s.c @@ -67,6 +67,5 @@ static int __init blake2s_mod_init(void) } module_init(blake2s_mod_init); -MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("BLAKE2s hash function"); MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>"); diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 009f2ead09c1..fdd6d9800a70 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -1223,8 +1223,7 @@ static void ddebug_attach_module_classes(struct ddebug_table *dt, * Allocate a new ddebug_table for the given module * and add it to the global list. */ -static int __ddebug_add_module(struct _ddebug_info *di, unsigned int base, - const char *modname) +static int ddebug_add_module(struct _ddebug_info *di, const char *modname) { struct ddebug_table *dt; @@ -1263,11 +1262,6 @@ static int __ddebug_add_module(struct _ddebug_info *di, unsigned int base, return 0; } -int ddebug_add_module(struct _ddebug_info *di, const char *modname) -{ - return __ddebug_add_module(di, 0, modname); -} - /* helper for ddebug_dyndbg_(boot|module)_param_cb */ static int ddebug_dyndbg_param_cb(char *param, char *val, const char *modname, int on_err) @@ -1314,11 +1308,13 @@ static void ddebug_table_free(struct ddebug_table *dt) kfree(dt); } +#ifdef CONFIG_MODULES + /* * Called in response to a module being unloaded. Removes * any ddebug_table's which point at the module. */ -int ddebug_remove_module(const char *mod_name) +static int ddebug_remove_module(const char *mod_name) { struct ddebug_table *dt, *nextdt; int ret = -ENOENT; @@ -1337,6 +1333,33 @@ int ddebug_remove_module(const char *mod_name) return ret; } +static int ddebug_module_notify(struct notifier_block *self, unsigned long val, + void *data) +{ + struct module *mod = data; + int ret = 0; + + switch (val) { + case MODULE_STATE_COMING: + ret = ddebug_add_module(&mod->dyndbg_info, mod->name); + if (ret) + WARN(1, "Failed to allocate memory: dyndbg may not work properly.\n"); + break; + case MODULE_STATE_GOING: + ddebug_remove_module(mod->name); + break; + } + + return notifier_from_errno(ret); +} + +static struct notifier_block ddebug_module_nb = { + .notifier_call = ddebug_module_notify, + .priority = 0, /* dynamic debug depends on jump label */ +}; + +#endif /* CONFIG_MODULES */ + static void ddebug_remove_all_tables(void) { mutex_lock(&ddebug_lock); @@ -1388,6 +1411,14 @@ static int __init dynamic_debug_init(void) .num_classes = __stop___dyndbg_classes - __start___dyndbg_classes, }; +#ifdef CONFIG_MODULES + ret = register_module_notifier(&ddebug_module_nb); + if (ret) { + pr_warn("Failed to register dynamic debug module notifier\n"); + return ret; + } +#endif /* CONFIG_MODULES */ + if (&__start___dyndbg == &__stop___dyndbg) { if (IS_ENABLED(CONFIG_DYNAMIC_DEBUG)) { pr_warn("_ddebug table is empty in a CONFIG_DYNAMIC_DEBUG build\n"); @@ -1408,7 +1439,7 @@ static int __init dynamic_debug_init(void) mod_ct++; di.num_descs = mod_sites; di.descs = iter_mod_start; - ret = __ddebug_add_module(&di, i - mod_sites, modname); + ret = ddebug_add_module(&di, modname); if (ret) goto out_err; @@ -1419,7 +1450,7 @@ static int __init dynamic_debug_init(void) } di.num_descs = mod_sites; di.descs = iter_mod_start; - ret = __ddebug_add_module(&di, i - mod_sites, modname); + ret = ddebug_add_module(&di, modname); if (ret) goto out_err; diff --git a/lib/pldmfw/pldmfw.c b/lib/pldmfw/pldmfw.c index 6e77eb6d8e72..54e1809a38fd 100644 --- a/lib/pldmfw/pldmfw.c +++ b/lib/pldmfw/pldmfw.c @@ -875,5 +875,4 @@ out_release_data: EXPORT_SYMBOL(pldmfw_flash_image); MODULE_AUTHOR("Jacob Keller <jacob.e.keller@intel.com>"); -MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("PLDM firmware flash update library"); diff --git a/lib/test_fprobe.c b/lib/test_fprobe.c index 1fb56cf5e5ce..fd6153800e56 100644 --- a/lib/test_fprobe.c +++ b/lib/test_fprobe.c @@ -168,4 +168,3 @@ static struct kunit_suite fprobe_test_suite = { kunit_test_suites(&fprobe_test_suite); -MODULE_LICENSE("GPL"); |