VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: William Roche <william.roche@oracle.com> 2021-04-06 11:28:59 -0400 committer: Borislav Petkov <bp@suse.de> 2021-04-07 11:52:26 +0200 commit: 3a62583c2853b0ab37a57dde79decea210b5fb89 parent: e49d033bddf5b565044e2abe4241353959bc9120
Commit Summary:
RAS/CEC: Correct ce_add_elem()'s returned values
Diffstat:
1 file changed, 12 insertions, 3 deletions
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index ddecf25b5dd4..d7894f178bd4 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -309,11 +309,20 @@ static bool sanity_check(struct ce_array *ca)
 	return ret;
 }
 
+/**
+ * cec_add_elem - Add an element to the CEC array.
+ * @pfn:	page frame number to insert
+ *
+ * Return values:
+ * - <0:	on error
+ * -  0:	on success
+ * - >0:	when the inserted pfn was offlined
+ */
 static int cec_add_elem(u64 pfn)
 {
 	struct ce_array *ca = &ce_arr;
+	int count, err, ret = 0;
 	unsigned int to = 0;
-	int count, ret = 0;
 
 	/*
 	 * We can be called very early on the identify_cpu() path where we are
@@ -330,8 +339,8 @@ static int cec_add_elem(u64 pfn)
 	if (ca->n == MAX_ELEMS)
 		WARN_ON(!del_lru_elem_unlocked(ca));
 
-	ret = find_elem(ca, pfn, &to);
-	if (ret < 0) {
+	err = find_elem(ca, pfn, &to);
+	if (err < 0) {
 		/*
 		 * Shift range [to-end] to make room for one more element.
 		 */