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commit d89e3fc7d3b14dea481bd9af0bca996ced689bf6
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Author: Natanael Copa <ncopa@alpinelinux.org>
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Date: Fri Sep 12 13:19:01 2014 -0400
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exportfs: fix test of NULL pointer in host_pton()
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This fixes the problem reported in:
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https://bugzilla.redhat.com/show_bug.cgi?id=1083018
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Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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diff --git a/support/export/hostname.c b/support/export/hostname.c
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index ad595d1..d9153e1 100644
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--- a/support/export/hostname.c
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+++ b/support/export/hostname.c
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@@ -115,6 +115,11 @@ host_pton(const char *paddr)
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* have a real AF_INET presentation address, before invoking
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* getaddrinfo(3) to generate the full addrinfo list.
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*/
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+ if (paddr == NULL) {
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+ xlog(D_GENERAL, "%s: passed a NULL presentation address",
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+ __func__);
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+ return NULL;
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+ }
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inet4 = 1;
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if (inet_pton(AF_INET, paddr, &sin.sin_addr) == 0)
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inet4 = 0;
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@@ -123,15 +128,12 @@ host_pton(const char *paddr)
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switch (error) {
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case 0:
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if (!inet4 && ai->ai_addr->sa_family == AF_INET) {
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+ xlog(D_GENERAL, "%s: failed to convert %s",
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+ __func__, paddr);
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freeaddrinfo(ai);
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break;
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}
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return ai;
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- case EAI_NONAME:
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- if (paddr == NULL)
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- xlog(D_GENERAL, "%s: passed a NULL presentation address",
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- __func__);
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- break;
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case EAI_SYSTEM:
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xlog(D_GENERAL, "%s: failed to convert %s: (%d) %m",
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__func__, paddr, errno);
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