gpu/drm: Fix lock held when returning to user space.

[platform/kernel/linux-exynos.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index 321b0b1..94528b8 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1201,8 +1201,10 @@ static ssize_t store_uevent(struct module_attribute *mattr,
                            struct module_kobject *mk,
                            const char *buffer, size_t count)
 {
-       kobject_synth_uevent(&mk->kobj, buffer, count);
-       return count;
+       int rc;
+
+       rc = kobject_synth_uevent(&mk->kobj, buffer, count);
+       return rc ? rc : count;
 }
 
 struct module_attribute module_uevent =
@@ -4058,7 +4060,7 @@ static unsigned long mod_find_symname(struct module *mod, const char *name)
 
        for (i = 0; i < kallsyms->num_symtab; i++)
                if (strcmp(name, symname(kallsyms, i)) == 0 &&
-                   kallsyms->symtab[i].st_info != 'U')
+                   kallsyms->symtab[i].st_shndx != SHN_UNDEF)
                        return kallsyms->symtab[i].st_value;
        return 0;
 }
@@ -4104,6 +4106,10 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
                if (mod->state == MODULE_STATE_UNFORMED)
                        continue;
                for (i = 0; i < kallsyms->num_symtab; i++) {
+
+                       if (kallsyms->symtab[i].st_shndx == SHN_UNDEF)
+                               continue;
+
                        ret = fn(data, symname(kallsyms, i),
                                 mod, kallsyms->symtab[i].st_value);
                        if (ret != 0)