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

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sysfs internals were changed to not pin module in question.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alexey Dobriyan 2007-08-06 23:47:45 +04:00 • committed by Greg Kroah-Hartman
parent 6cb52147b2
commit 256e2fdf03
1 changed files with 1 additions and 2 deletions
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3
kernel/module.c
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@ -784,8 +784,7 @@ EXPORT_SYMBOL_GPL(symbol_put_addr);
static ssize_t show_refcnt(struct module_attribute *mattr, static ssize_t show_refcnt(struct module_attribute *mattr,
struct module *mod, char *buffer) struct module *mod, char *buffer)
{ {
/* sysfs holds a reference */ return sprintf(buffer, "%u\n", module_refcount(mod));
return sprintf(buffer, "%u\n", module_refcount(mod)-1);
} }
static struct module_attribute refcnt = { static struct module_attribute refcnt = {