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path: root/drivers/staging/lustre/lustre/ldlm/interval_tree.c
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Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/interval_tree.c')
-rw-r--r--drivers/staging/lustre/lustre/ldlm/interval_tree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/interval_tree.c b/drivers/staging/lustre/lustre/ldlm/interval_tree.c
index a3d7a7292417..eab2bd60241b 100644
--- a/drivers/staging/lustre/lustre/ldlm/interval_tree.c
+++ b/drivers/staging/lustre/lustre/ldlm/interval_tree.c
@@ -73,6 +73,7 @@ static inline int extent_compare(struct interval_node_extent *e1,
struct interval_node_extent *e2)
{
int rc;
+
if (e1->start == e2->start) {
if (e1->end < e2->end)
rc = -1;
@@ -321,6 +322,7 @@ static void interval_insert_color(struct interval_node *node,
/* Parent is RED, so gparent must not be NULL */
if (node_is_left_child(parent)) {
struct interval_node *uncle;
+
uncle = gparent->in_right;
if (uncle && node_is_red(uncle)) {
uncle->in_color = INTERVAL_BLACK;
@@ -340,6 +342,7 @@ static void interval_insert_color(struct interval_node *node,
__rotate_right(gparent, root);
} else {
struct interval_node *uncle;
+
uncle = gparent->in_left;
if (uncle && node_is_red(uncle)) {
uncle->in_color = INTERVAL_BLACK;
@@ -427,6 +430,7 @@ static void interval_erase_color(struct interval_node *node,
} else {
if (node_is_black_or_0(tmp->in_right)) {
struct interval_node *o_left;
+
o_left = tmp->in_left;
if (o_left)
o_left->in_color = INTERVAL_BLACK;
@@ -458,6 +462,7 @@ static void interval_erase_color(struct interval_node *node,
} else {
if (node_is_black_or_0(tmp->in_left)) {
struct interval_node *o_right;
+
o_right = tmp->in_right;
if (o_right)
o_right->in_color = INTERVAL_BLACK;