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

Signed-off-by: Linda Xie <lxie@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index 752e6513c447dce6ab3f5882a075e0f66eaf9dca..db69be85b4583100907368d580d03c35779a7576 100644 (file)
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/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);