[PATCH libdrm 4/8] xf86drmSL: Fix neighbour printing

[Jan Vesely <jan.vesely@xxxxxxxxxxx>]

Signed-off-by: Jan Vesely <jan.vesely@xxxxxxxxxxx>
---
 xf86drmSL.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/xf86drmSL.c b/xf86drmSL.c
index acddb54..2160bb8 100644
--- a/xf86drmSL.c
+++ b/xf86drmSL.c
@@ -266,11 +266,14 @@ int drmSLLookupNeighbors(void *l, unsigned long key,
     SkipListPtr   list = (SkipListPtr)l;
     SLEntryPtr    update[SL_MAX_LEVEL + 1];
     int           retcode = 0;
+    SLEntryPtr    entry;
+
+    entry = SLLocate(list, key, update);
 
     *prev_key   = *next_key   = key;
     *prev_value = *next_value = NULL;
-	
-    if (update[0]) {
+
+    if (entry && update[0]) {
 	*prev_key   = update[0]->key;
 	*prev_value = update[0]->value;
 	++retcode;
-- 
2.1.0

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