I spent a long time looking at this as well... It's really inscrutable
code. It would be more readable if we just spelled things out in the
most pedantic way possible:
diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c
index 1fee702d5529..7e1586bd5cf3 100644
--- a/fs/cachefiles/ondemand.c
+++ b/fs/cachefiles/ondemand.c
@@ -158,9 +158,13 @@ int cachefiles_ondemand_copen(struct cachefiles_cache *cache, char *args)
/* fail OPEN request if daemon reports an error */
if (size < 0) {
- if (!IS_ERR_VALUE(size))
- size = -EINVAL;
- req->error = size;
+ if (!IS_ERR_VALUE(size)) {
+ req->error = -EINVAL;
+ ret = -EINVAL;
+ } else {
+ req->error = size;
+ ret = 0;
+ }
goto out;
}
--
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