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Check for no key_mgmt/proto/auth_alg entries in config writer

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This is not really necessary check, but it keeps a static analyzer
happier by avoiding dead increment. Doing it this way rather than
removing the increment is less likely to cause problems when new entries
are added here in the future (the "dead" increment would be very much
needed in those cases).

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-06-30 00:56:27 +03:00
parent 290ea6a76e
commit a1e46f320d
1 changed files with 15 additions and 0 deletions
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15
wpa_supplicant/config.c
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@ -467,6 +467,11 @@ static char * wpa_config_write_proto(const struct parse_data *data,
pos += ret; pos += ret;
} }
if (pos == buf) {
os_free(buf);
buf = NULL;
}
return buf; return buf;
} }
#endif /* NO_CONFIG_WRITE */ #endif /* NO_CONFIG_WRITE */
@ -672,6 +677,11 @@ static char * wpa_config_write_key_mgmt(const struct parse_data *data,
} }
#endif /* CONFIG_WPS */ #endif /* CONFIG_WPS */
if (pos == buf) {
os_free(buf);
buf = NULL;
}
return buf; return buf;
} }
#endif /* NO_CONFIG_WRITE */ #endif /* NO_CONFIG_WRITE */
@ -863,6 +873,11 @@ static char * wpa_config_write_auth_alg(const struct parse_data *data,
pos += ret; pos += ret;
} }
if (pos == buf) {
os_free(buf);
buf = NULL;
}
return buf; return buf;
} }
#endif /* NO_CONFIG_WRITE */ #endif /* NO_CONFIG_WRITE */