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-rw-r--r--scripts/coccinelle/error_propagate_null.cocci10
1 files changed, 10 insertions, 0 deletions
diff --git a/scripts/coccinelle/error_propagate_null.cocci b/scripts/coccinelle/error_propagate_null.cocci
new file mode 100644
index 0000000000..c23638007a
--- /dev/null
+++ b/scripts/coccinelle/error_propagate_null.cocci
@@ -0,0 +1,10 @@
+// error_propagate() already ignores local_err==NULL, so there's
+// no need to check it before calling.
+
+@@
+identifier L;
+expression E;
+@@
+-if (L) {
+ error_propagate(E, L);
+-}