Fix Off-by-one in /sys/module/*/refcnt

sysfs internals were changed to not pin module in question.

Alexey Dobriyan committed 19 years ago

Commit 256e2fd1 parent 6cb52141 file · +1 −2Browse files

Showing the changes to kernel/module.c (1 of 1 file). Show all

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@@ -784,8 +784,7 @@ EXPORT_SYMBOL_GPL(symbol_put_addr); · 783 unmodified lines
784	static ssize_t show_refcnt(struct module_attribute *mattr,	784	static ssize_t show_refcnt(struct module_attribute *mattr,
785	struct module mod, char buffer)	785	struct module mod, char buffer)
786	{	786	{
787	/* sysfs holds a reference */	787	return sprintf(buffer, "%u\n", module_refcount(mod));
788	return sprintf(buffer, "%u\n", module_refcount(mod)-1);
789	}	788	}
790		789
791	static struct module_attribute refcnt = {	790	static struct module_attribute refcnt = {