From: Markus Theil <markus.theil@tu-ilmenau.de>
Date: Sun, 9 Feb 2020 16:59:02 +0000 (+0100)
Subject: iw: scan: fix undefined behaviour in print_vht_capa()
X-Git-Tag: v5.8~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7375d5e357f4bd55ed1d6c0563d607787286ca7;p=thirdparty%2Fiw.git

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 2b8f62b..f2d4750 100644
--- 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);
 }