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(KnoxPortal) with ESMTPA id 20220520083757epsmtip233116cea119605d9acfdc1abbb98de9a~ww19d5gaj3055430554epsmtip28; Fri, 20 May 2022 08:37:57 +0000 (GMT) From: Maninder Singh To: keescook@chromium.org, pmladek@suse.com, bcain@quicinc.com, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, satishkh@cisco.com, sebaddel@cisco.com, kartilak@cisco.com, jejb@linux.ibm.com, martin.petersen@oracle.com, mcgrof@kernel.org, jason.wessel@windriver.com, daniel.thompson@linaro.org, dianders@chromium.org, naveen.n.rao@linux.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, mhiramat@kernel.org, peterz@infradead.org, mingo@redhat.com, will@kernel.org, longman@redhat.com, boqun.feng@gmail.com, rostedt@goodmis.org, senozhatsky@chromium.org, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, akpm@linux-foundation.org, arnd@arndb.de Cc: linux-hexagon@vger.kernel.org, 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Thus removing redundant API. Signed-off-by: Maninder Singh --- include/linux/kallsyms.h | 6 ------ include/linux/module.h | 6 ------ kernel/kallsyms.c | 28 ---------------------------- kernel/module/kallsyms.c | 28 ---------------------------- 4 files changed, 68 deletions(-) diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 8fe535fd848a..b78e9d942a77 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -91,7 +91,6 @@ extern int sprint_backtrace(char *buffer, size_t size, unsigned long address); extern int sprint_backtrace_build_id(char *buffer, size_t size, unsigned long address); int lookup_symbol_name(unsigned long addr, char *symname, size_t size); -int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); /* How and when do we show kallsyms values? */ extern bool kallsyms_show_value(const struct cred *cred); @@ -153,11 +152,6 @@ static inline int lookup_symbol_name(unsigned long addr, char *symname, size_t s return -ERANGE; } -static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name) -{ - return -ERANGE; -} - static inline bool kallsyms_show_value(const struct cred *cred) { return false; diff --git a/include/linux/module.h b/include/linux/module.h index 9b91209d615f..4c5f8f99a252 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -658,7 +658,6 @@ const char *module_address_lookup(unsigned long addr, char **modname, const unsigned char **modbuildid, char *namebuf, size_t buf_size); int lookup_module_symbol_name(unsigned long addr, char *symname, size_t size); -int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); int register_module_notifier(struct notifier_block *nb); int unregister_module_notifier(struct notifier_block *nb); @@ -766,11 +765,6 @@ static inline int lookup_module_symbol_name(unsigned long addr, char *symname, s return -ERANGE; } -static inline int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name) -{ - return -ERANGE; -} - static inline int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, char *name, char *module_name, int *exported) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index d6efce28505d..96ad59b5b2fd 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -430,34 +430,6 @@ int lookup_symbol_name(unsigned long addr, char *symname, size_t size) return 0; } -int lookup_symbol_attrs(unsigned long addr, unsigned long *size, - unsigned long *offset, char *modname, char *name) -{ - int res; - - name[0] = '\0'; - name[KSYM_NAME_LEN - 1] = '\0'; - - if (is_ksym_addr(addr)) { - unsigned long pos; - - pos = get_symbol_pos(addr, size, offset); - /* Grab name */ - kallsyms_expand_symbol(get_symbol_offset(pos), - name, KSYM_NAME_LEN); - modname[0] = '\0'; - goto found; - } - /* See if it's in a module. */ - res = lookup_module_symbol_attrs(addr, size, offset, modname, name); - if (res) - return res; - -found: - cleanup_symbol_name(name); - return 0; -} - /* Look up a kernel symbol and return it in a text buffer. */ static int __sprint_symbol(char *buffer, size_t buf_size, unsigned long address, int symbol_offset, int add_offset, int add_buildid) diff --git a/kernel/module/kallsyms.c b/kernel/module/kallsyms.c index c982860405c6..e6f16c62a888 100644 --- a/kernel/module/kallsyms.c +++ b/kernel/module/kallsyms.c @@ -375,34 +375,6 @@ int lookup_module_symbol_name(unsigned long addr, char *symname, size_t size) return -ERANGE; } -int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, - unsigned long *offset, char *modname, char *name) -{ - struct module *mod; - - preempt_disable(); - list_for_each_entry_rcu(mod, &modules, list) { - if (mod->state == MODULE_STATE_UNFORMED) - continue; - if (within_module(addr, mod)) { - const char *sym; - - sym = find_kallsyms_symbol(mod, addr, size, offset); - if (!sym) - goto out; - if (modname) - strscpy(modname, mod->name, MODULE_NAME_LEN); - if (name) - strscpy(name, sym, KSYM_NAME_LEN); - preempt_enable(); - return 0; - } - } -out: - preempt_enable(); - return -ERANGE; -} - int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, char *name, char *module_name, int *exported) {