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ifconfig: fix double free fatal error in INET_sprint
Based on the patch by Zheng Junling <zhengjunling@huawei.com> and Chen Gang <cg.chen@huawei.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -91,9 +91,9 @@ static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric)
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{
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static char *buff; /* defaults to NULL */
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free(buff);
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if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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return "[NONE SET]";
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free(buff);
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buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00);
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return buff;
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}
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@ -173,9 +173,9 @@ static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric)
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{
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static char *buff;
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free(buff);
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if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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return "[NONE SET]";
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free(buff);
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buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric);
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return buff;
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}
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