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 e049b23..9f0629f 100644
--- a/src/vlib/linux/pci.c
+++ b/src/vlib/linux/pci.c
@@ -390,7 +390,7 @@
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;