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Interworking: Check NULL string to avoid compiler warning

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Fix warning by gcc 9.2.1.

interworking.c: In function ‘interworking_home_sp_cred’:
interworking.c:2263:3: warning: ‘%s’ directive argument is null [-Wformat-overflow=]
 2263 |   wpa_msg(wpa_s, MSG_DEBUG,
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~
 2264 |    "Interworking: Search for match with SIM/USIM domain %s",
      |    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 2265 |    realm);
      |    ~~~~~~

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
This commit is contained in:
Masashi Honma 2019-10-18 11:04:18 +09:00 committed by Jouni Malinen
parent ec1c0d1548
commit 6807eee9ca
1 changed files with 1 additions and 1 deletions
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2
wpa_supplicant/interworking.c
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@ -2262,7 +2262,7 @@ int interworking_home_sp_cred(struct wpa_supplicant *wpa_s,
realm++;
wpa_msg(wpa_s, MSG_DEBUG,
"Interworking: Search for match with SIM/USIM domain %s",
realm);
realm ? realm : "[NULL]");
if (realm &&
domain_name_list_contains(domain_names, realm, 1))
return 1;