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path: root/nis/nss_nisplus/nisplus-ethers.c
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Diffstat (limited to 'nis/nss_nisplus/nisplus-ethers.c')
-rw-r--r--nis/nss_nisplus/nisplus-ethers.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index 2620427243..8d69ad9373 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -176,6 +176,11 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
 	{
 	  saved_result = NULL;
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    return niserr2nss (result->status);
 	}
@@ -183,6 +188,11 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
 	{
 	  saved_result = result;
 	  result = nis_next_entry (tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      nis_freeresult (saved_result);