[GEDI] [PATCH v3 05/25] scripts: add coccinelle script to fix error_append_hint usage
Vladimir Sementsov-Ogievskiy
vsementsov at virtuozzo.com
Tue Sep 24 20:08:42 UTC 2019
error_append_hint will not work, if errp == &fatal_error, as program
will exit before error_append_hint call. Fix this by use of special
macro ERRP_FUNCTION_BEGIN.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov at virtuozzo.com>
---
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.../fix-error_append_hint-usage.cocci | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 scripts/coccinelle/fix-error_append_hint-usage.cocci
diff --git a/scripts/coccinelle/fix-error_append_hint-usage.cocci b/scripts/coccinelle/fix-error_append_hint-usage.cocci
new file mode 100644
index 0000000000..327fe6098c
--- /dev/null
+++ b/scripts/coccinelle/fix-error_append_hint-usage.cocci
@@ -0,0 +1,25 @@
+ at rule0@
+// Add invocation to errp-functions
+identifier fn;
+@@
+
+ fn(..., Error **errp, ...)
+ {
++ ERRP_FUNCTION_BEGIN();
+ <+...
+ error_append_hint(errp, ...);
+ ...+>
+ }
+
+@@
+// Drop doubled invocation
+identifier rule0.fn;
+@@
+
+ fn(...)
+{
+ ERRP_FUNCTION_BEGIN();
+- ERRP_FUNCTION_BEGIN();
+ ...
+}
+
--
2.21.0
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