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Message-ID: <877fzva9z9.fsf@rustcorp.com.au>
Date: Mon, 20 Oct 2014 10:27:46 +1030
From: Rusty Russell <rusty@...tcorp.com.au>
To: Ionut Alexa <ionut.m.alexa@...il.com>
Cc: linux-kernel@...r.kernel.org, Ionut Alexa <ionut.m.alexa@...il.com>
Subject: Re: [PATCH] kernel:module Fix coding style errors and warnings.
Ionut Alexa <ionut.m.alexa@...il.com> writes:
> Fixed codin style errors and warnings. Changes printk with
> print_debug/warn. Changed seq_printf to seq_puts.
>
> Signed-off-by: Ionut Alexa <ionut.m.alexa@...il.com>
Removed the last hunk, and applied.
Thanks!
Rusty.
> ---
> kernel/module.c | 58 ++++++++++++++++++++++++++++---------------------------
> 1 file changed, 30 insertions(+), 28 deletions(-)
>
> diff --git a/kernel/module.c b/kernel/module.c
> index 65586ff..b19ea41 100644
> --- a/kernel/module.c
> +++ b/kernel/module.c
> @@ -158,13 +158,13 @@ static BLOCKING_NOTIFIER_HEAD(module_notify_list);
> * Protected by module_mutex. */
> static unsigned long module_addr_min = -1UL, module_addr_max = 0;
>
> -int register_module_notifier(struct notifier_block * nb)
> +int register_module_notifier(struct notifier_block *nb)
> {
> return blocking_notifier_chain_register(&module_notify_list, nb);
> }
> EXPORT_SYMBOL(register_module_notifier);
>
> -int unregister_module_notifier(struct notifier_block * nb)
> +int unregister_module_notifier(struct notifier_block *nb)
> {
> return blocking_notifier_chain_unregister(&module_notify_list, nb);
> }
> @@ -740,8 +740,7 @@ static inline int try_force_unload(unsigned int flags)
> }
> #endif /* CONFIG_MODULE_FORCE_UNLOAD */
>
> -struct stopref
> -{
> +struct stopref {
> struct module *mod;
> int flags;
> int *forced;
> @@ -877,8 +876,10 @@ static inline void print_unload_info(struct seq_file *m, struct module *mod)
>
> seq_printf(m, " %lu ", module_refcount(mod));
>
> - /* Always include a trailing , so userspace can differentiate
> - between this and the old multi-field proc format. */
> + /*
> + * Always include a trailing , so userspace can differentiate
> + * between this and the old multi-field proc format.
> + */
> list_for_each_entry(use, &mod->source_list, source_list) {
> printed_something = 1;
> seq_printf(m, "%s,", use->source->name);
> @@ -886,11 +887,11 @@ static inline void print_unload_info(struct seq_file *m, struct module *mod)
>
> if (mod->init != NULL && mod->exit == NULL) {
> printed_something = 1;
> - seq_printf(m, "[permanent],");
> + seq_puts(m, "[permanent],");
> }
>
> if (!printed_something)
> - seq_printf(m, "-");
> + seq_puts(m, "-");
> }
>
> void __symbol_put(const char *symbol)
> @@ -978,7 +979,7 @@ EXPORT_SYMBOL(module_put);
> static inline void print_unload_info(struct seq_file *m, struct module *mod)
> {
> /* We don't know the usage count, or what modules are using. */
> - seq_printf(m, " - -");
> + seq_puts(m, " - -");
> }
>
> static inline void module_unload_free(struct module *mod)
> @@ -1131,7 +1132,7 @@ static unsigned long maybe_relocated(unsigned long crc,
> static int check_version(Elf_Shdr *sechdrs,
> unsigned int versindex,
> const char *symname,
> - struct module *mod,
> + struct module *mod,
> const unsigned long *crc,
> const struct module *crc_owner)
> {
> @@ -1165,7 +1166,7 @@ static int check_version(Elf_Shdr *sechdrs,
> return 0;
>
> bad_version:
> - printk("%s: disagrees about version of symbol %s\n",
> + pr_warn("%s: disagrees about version of symbol %s\n",
> mod->name, symname);
> return 0;
> }
> @@ -1200,7 +1201,7 @@ static inline int same_magic(const char *amagic, const char *bmagic,
> static inline int check_version(Elf_Shdr *sechdrs,
> unsigned int versindex,
> const char *symname,
> - struct module *mod,
> + struct module *mod,
> const unsigned long *crc,
> const struct module *crc_owner)
> {
> @@ -1288,15 +1289,13 @@ static inline bool sect_empty(const Elf_Shdr *sect)
> return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0;
> }
>
> -struct module_sect_attr
> -{
> +struct module_sect_attr {
> struct module_attribute mattr;
> char *name;
> unsigned long address;
> };
>
> -struct module_sect_attrs
> -{
> +struct module_sect_attrs {
> struct attribute_group grp;
> unsigned int nsections;
> struct module_sect_attr attrs[0];
> @@ -1550,7 +1549,8 @@ static int module_add_modinfo_attrs(struct module *mod)
> (attr->test && attr->test(mod))) {
> memcpy(temp_attr, attr, sizeof(*temp_attr));
> sysfs_attr_init(&temp_attr->attr);
> - error = sysfs_create_file(&mod->mkobj.kobj,&temp_attr->attr);
> + error = sysfs_create_file(&mod->mkobj.kobj,
> + &temp_attr->attr);
> ++temp_attr;
> }
> }
> @@ -1566,7 +1566,7 @@ static void module_remove_modinfo_attrs(struct module *mod)
> /* pick a field to test for end of list */
> if (!attr->attr.name)
> break;
> - sysfs_remove_file(&mod->mkobj.kobj,&attr->attr);
> + sysfs_remove_file(&mod->mkobj.kobj, &attr->attr);
> if (attr->free)
> attr->free(mod);
> }
> @@ -1953,7 +1953,7 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
> /* We compiled with -fno-common. These are not
> supposed to happen. */
> pr_debug("Common symbol: %s\n", name);
> - printk("%s: please compile with -fno-common\n",
> + pr_warn("%s: please compile with -fno-common\n",
> mod->name);
> ret = -ENOEXEC;
> break;
> @@ -2257,7 +2257,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
> }
>
> static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
> - unsigned int shnum)
> + unsigned int shnum)
> {
> const Elf_Shdr *sec;
>
> @@ -2733,7 +2733,7 @@ static int find_module_sections(struct module *mod, struct load_info *info)
> * This shouldn't happen with same compiler and binutils
> * building all parts of the module.
> */
> - printk(KERN_WARNING "%s: has both .ctors and .init_array.\n",
> + pr_warn("%s: has both .ctors and .init_array.\n",
> mod->name);
> return -EINVAL;
> }
> @@ -3021,8 +3021,10 @@ static int do_init_module(struct module *mod)
> if (mod->init != NULL)
> ret = do_one_initcall(mod->init);
> if (ret < 0) {
> - /* Init routine failed: abort. Try to protect us from
> - buggy refcounters. */
> + /*
> + * Init routine failed: abort. Try to protect us from
> + * buggy refcounters.
> + */
> mod->state = MODULE_STATE_GOING;
> synchronize_sched();
> module_put(mod);
> @@ -3174,7 +3176,7 @@ out:
>
> static int unknown_module_param_cb(char *param, char *val, const char *modname)
> {
> - /* Check for magic 'dyndbg' arg */
> + /* Check for magic 'dyndbg' arg */
> int ret = ddebug_dyndbg_module_param_cb(param, val, modname);
> if (ret != 0)
> pr_warn("%s: unknown parameter '%s' ignored\n", modname, param);
> @@ -3657,8 +3659,8 @@ static int m_show(struct seq_file *m, void *p)
>
> /* Informative for users. */
> seq_printf(m, " %s",
> - mod->state == MODULE_STATE_GOING ? "Unloading":
> - mod->state == MODULE_STATE_COMING ? "Loading":
> + mod->state == MODULE_STATE_GOING ? "Unloading" :
> + mod->state == MODULE_STATE_COMING ? "Loading" :
> "Live");
> /* Used by oprofile and other similar tools. */
> seq_printf(m, " 0x%pK", mod->module_core);
> @@ -3667,7 +3669,7 @@ static int m_show(struct seq_file *m, void *p)
> if (mod->taints)
> seq_printf(m, " %s", module_flags(mod, buf));
>
> - seq_printf(m, "\n");
> + seq_puts(m, "\n");
> return 0;
> }
>
> @@ -3816,7 +3818,7 @@ void print_modules(void)
> struct module *mod;
> char buf[8];
>
> - printk(KERN_DEFAULT "Modules linked in:");
> + pr_warn("Modules linked in:");
> /* Most callers should already have preempt disabled, but make sure */
> preempt_disable();
> list_for_each_entry_rcu(mod, &modules, list) {
> --
> 1.7.10.4
--
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