[PATCH] PCI Hotplug: Fix buffer overrun in rpadlpar_sysfs.c

Signed-off-by: NLinda Xie <lxie@us.ibm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/pci/hotplug/rpadlpar_sysfs.c

@@ -62,7 +62,7 @@ static ssize_t add_slot_store(struct dlpar_io_attr *dlpar_attr,
 	char drc_name[MAX_DRC_NAME_LEN];
 	char *end;
 
-	if (nbytes > MAX_DRC_NAME_LEN)
+	if (nbytes >= MAX_DRC_NAME_LEN)
 		return 0;
 
 	memcpy(drc_name, buf, nbytes);
@@ -83,7 +83,7 @@ static ssize_t remove_slot_store(struct dlpar_io_attr *dlpar_attr,
 	char drc_name[MAX_DRC_NAME_LEN];
 	char *end;
 
-	if (nbytes > MAX_DRC_NAME_LEN)
+	if (nbytes >= MAX_DRC_NAME_LEN)
 		return 0;
 
 	memcpy(drc_name, buf, nbytes);