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Modules updates for v4.14

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Summary of modules changes for the 4.14 merge window:
 
 - Minor code cleanups and fixes
 
 - modpost: avoid building modules that have names that exceed the size
   of the name field in struct module
 
 Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull modules updates from Jessica Yu:
 "Summary of modules changes for the 4.14 merge window:

   - minor code cleanups and fixes

   - modpost: avoid building modules that have names that exceed the
     size of the name field in struct module"

* tag 'modules-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  module: Remove const attribute from alias for MODULE_DEVICE_TABLE
  module: fix ddebug_remove_module()
  modpost: abort if module name is too long
This commit is contained in:
Linus Torvalds 2017-09-13 11:28:19 -07:00
commit 4791bcccf8
3 changed files with 31 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

12
kernel/module.c
View file

@ -2707,21 +2707,21 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
}
#endif /* CONFIG_KALLSYMS */
static void dynamic_debug_setup(struct _ddebug *debug, unsigned int num)
static void dynamic_debug_setup(struct module *mod, struct _ddebug *debug, unsigned int num)
{
if (!debug)
return;
#ifdef CONFIG_DYNAMIC_DEBUG
if (ddebug_add_module(debug, num, debug->modname))
if (ddebug_add_module(debug, num, mod->name))
pr_err("dynamic debug error adding module: %s\n",
debug->modname);
#endif
}
static void dynamic_debug_remove(struct _ddebug *debug)
static void dynamic_debug_remove(struct module *mod, struct _ddebug *debug)
{
if (debug)
ddebug_remove_module(debug->modname);
ddebug_remove_module(mod->name);
}
void * __weak module_alloc(unsigned long size)
@ -3715,7 +3715,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
goto free_arch_cleanup;
}
dynamic_debug_setup(info->debug, info->num_debug);
dynamic_debug_setup(mod, info->debug, info->num_debug);
/* Ftrace init must be called in the MODULE_STATE_UNFORMED state */
ftrace_module_init(mod);
@ -3779,7 +3779,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
module_disable_nx(mod);
ddebug_cleanup:
dynamic_debug_remove(info->debug);
dynamic_debug_remove(mod, info->debug);
synchronize_sched();
kfree(mod->args);
free_arch_cleanup: