From: Klement Sekera <ksekera@cisco.com>
Date: Thu, 18 Nov 2021 11:32:05 +0000 (+0100)
Subject: vlib: fix coverity warning
X-Git-Tag: v22.06-rc0~203
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=bd46907b3f27b480e5f8b0be9cb4c5b5f1fa08ab;p=vpp.git

vlib: fix coverity warning

Use correct signed type to allow testing for a failure (-1) from
readlinkat().

Type: fix
Fixes: 5714a49f14
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: I06f1c8d91e907c151012ff9758c6b52caca4d625
---

diff --git a/src/vlib/linux/pci.c b/src/vlib/linux/pci.c
index e049b239f48..9f0629f46bc 100644
--- a/src/vlib/linux/pci.c
+++ b/src/vlib/linux/pci.c
@@ -390,7 +390,7 @@ vlib_pci_get_device_root_bus (vlib_pci_addr_t *addr, vlib_pci_addr_t *root_bus)
   u8 *rel_path = 0, *abs_path = 0, *link_path = 0;
   unformat_input_t input;
   int fd = open (sysfs_pci_dev_path, O_RDONLY);
-  u32 size = 0;
+  ssize_t size = 0;
   u32 domain = 0, bus;
   clib_error_t *err = NULL;