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-rw-r--r--src/vlib/linux/pci.c2
1 files changed, 1 insertions, 1 deletions
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;