[PATCH] kfifo: fix kmalloc_array_node() argument order

From: Randy Dunlap

Date: Sat Dec 20 2025 - 00:45:49 EST


To be consistent, pass the kmalloc_array_node() parameters in the
order (number_of_elements, element_size). Since only the product of
the two values is used, this is not a bug fix.

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=216015
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
Cc: Stefani Seibold <stefani@xxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
---
lib/kfifo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20251219.orig/lib/kfifo.c
+++ linux-next-20251219/lib/kfifo.c
@@ -41,7 +41,7 @@ int __kfifo_alloc_node(struct __kfifo *f
return -EINVAL;
}

- fifo->data = kmalloc_array_node(esize, size, gfp_mask, node);
+ fifo->data = kmalloc_array_node(size, esize, gfp_mask, node);

if (!fifo->data) {
fifo->mask = 0;