[SLOF] [PATCH slof v2 04/12] veth: Compile with -Wextra

[Alexey Kardashevskiy]

-Wextra enables a bunch of rather useful checks which this fixes.

Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
---
 lib/libveth/veth.h | 2 +-
 lib/libveth/veth.c | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/libveth/veth.h b/lib/libveth/veth.h
index 23af0eab6211..6a1cb4cb5790 100644
--- a/lib/libveth/veth.h
+++ b/lib/libveth/veth.h
@@ -16,7 +16,7 @@
 #include <stdint.h>
 #include <netdriver.h>
 
-extern net_driver_t *libveth_open(char *mac_addr, int mac_len, char *reg, int reg_len);
+extern net_driver_t *libveth_open(char *mac_addr, unsigned mac_len, char *reg, unsigned reg_len);
 extern void libveth_close(net_driver_t *driver);
 extern int libveth_read(char *buf, int len, net_driver_t *driver);
 extern int libveth_write(char *buf, int len, net_driver_t *driver);
diff --git a/lib/libveth/veth.c b/lib/libveth/veth.c
index 748730854035..a8e19ba41764 100644
--- a/lib/libveth/veth.c
+++ b/lib/libveth/veth.c
@@ -164,7 +164,7 @@ static int veth_term(net_driver_t *driver)
 	return 0;
 }
 
-static int veth_receive(char *f_buffer_pc, int f_len_i, net_driver_t *driver)
+static int veth_receive(char *f_buffer_pc, unsigned f_len_i, net_driver_t *driver)
 {
 	int packet = 0;
 
@@ -223,10 +223,14 @@ static int veth_xmit(char *f_buffer_pc, int f_len_i, net_driver_t *driver)
 	return f_len_i;
 }
 
-net_driver_t *libveth_open(char *mac_addr, int mac_len, char *reg, int reg_len)
+net_driver_t *libveth_open(char *mac_addr, unsigned mac_len, char *reg, unsigned reg_len)
 {
 	net_driver_t *driver;
 
+	if (reg_len != sizeof(uint32_t)) {
+		printf("vio reg must 1 cell long\n");
+		return NULL;
+	}
 	driver = SLOF_alloc_mem(sizeof(*driver));
 	if (!driver) {
 		printf("Unable to allocate veth driver\n");
-- 
2.17.1