table: fix out of bounds write

[dpdk.git] / drivers / raw / ifpga / base / ifpga_feature_dev.c

diff --git a/drivers/raw/ifpga/base/ifpga_feature_dev.c b/drivers/raw/ifpga/base/ifpga_feature_dev.c
index 0f852a7..0813513 100644 (file)
--- a/drivers/raw/ifpga/base/ifpga_feature_dev.c
+++ b/drivers/raw/ifpga/base/ifpga_feature_dev.c
@@ -87,6 +87,27 @@ int fpga_get_afu_uuid(struct ifpga_port_hw *port, struct uuid *uuid)
        return 0;
 }
 
+int fpga_get_pr_uuid(struct ifpga_fme_hw *fme, struct uuid *uuid)
+{
+       struct feature_fme_pr *fme_pr;
+       u64 guidl, guidh;
+
+       if (!fme || !uuid)
+               return -EINVAL;
+
+       fme_pr = get_fme_feature_ioaddr_by_index(fme, FME_FEATURE_ID_PR_MGMT);
+
+       spinlock_lock(&fme->lock);
+       guidl = readq(&fme_pr->fme_pr_intfc_id_l);
+       guidh = readq(&fme_pr->fme_pr_intfc_id_h);
+       spinlock_unlock(&fme->lock);
+
+       opae_memcpy(uuid->b, &guidl, sizeof(u64));
+       opae_memcpy(uuid->b + 8, &guidh, sizeof(u64));
+
+       return 0;
+}
+
 /* Mask / Unmask Port Errors by the Error Mask register. */
 void port_err_mask(struct ifpga_port_hw *port, bool mask)
 {