iw: scan: fix undefined behaviour in print_vht_capa()

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20200209165902.44110-9-markus.theil@tu-ilmenau.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/scan.c b/scan.c
index 2b8f62be7d71a61ecbbd731263c486b4177614c6..f2d47508671dcd4dcaea909f6f8f69b09df456ab 100644 (file)
--- a/scan.c
+++ b/scan.c
@@ -1474,8 +1474,8 @@ static void print_vht_capa(const uint8_t type, uint8_t len, const uint8_t *data,
                           const struct print_ies_data *ie_buffer)
 {
        printf("\n");
-       print_vht_info(data[0] | (data[1] << 8) |
-                      (data[2] << 16) | (data[3] << 24),
+       print_vht_info((__u32) data[0] | ((__u32)data[1] << 8) |
+                      ((__u32)data[2] << 16) | ((__u32)data[3] << 24),
                       data + 4);
 }