cxlflash: off by one bug in cxlflash_show_port_status()

The > should be >= or we read one element past the end of the array.

Fixes: c21e0bbfc4 ('cxlflash: Base support for IBM CXL Flash Adapter')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Dan Carpenter 2015-08-14 23:35:25 +03:00 committed by James Bottomley
parent 2cb79266d6
commit 46c6d45d78

View File

@ -586,7 +586,7 @@ static ssize_t cxlflash_show_port_status(struct device *dev,
u64 *fc_regs;
rc = kstrtouint((attr->attr.name + 4), 10, &port);
if (rc || (port > NUM_FC_PORTS))
if (rc || (port >= NUM_FC_PORTS))
return 0;
fc_regs = &afu->afu_map->global.fc_regs[port][0];