[PATCH] unix: use kvmalloc_array() for BPF iterator batches

[PATCH] unix: use kvmalloc_array() for BPF iterator batches

[Weimin Xiong]

Use kvmalloc_array() instead of open-coding the element-size
multiplication when allocating the Unix-domain BPF iterator batch.

Signed-off-by: Weimin Xiong <xiongwm2026@163.com>
---
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index f7a9d55ee..6664ead46 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -3659,8 +3659,8 @@ static int bpf_iter_unix_realloc_batch(struct bpf_unix_iter_state *iter,
 {
 	struct sock **new_batch;
 
-	new_batch = kvmalloc(sizeof(*new_batch) * new_batch_sz,
-			     GFP_USER | __GFP_NOWARN);
+	new_batch = kvmalloc_array(new_batch_sz, sizeof(*new_batch),
+				   GFP_USER | __GFP_NOWARN);
 	if (!new_batch)
 		return -ENOMEM;
 

Re: [PATCH] unix: use kvmalloc_array() for BPF iterator batches

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Thu, 16 Jul 2026 10:51:03 +0800 you wrote:
> Use kvmalloc_array() instead of open-coding the element-size
> multiplication when allocating the Unix-domain BPF iterator batch.
> 
> Signed-off-by: Weimin Xiong <xiongwm2026@163.com>
> ---

Here is the summary with links:
  - unix: use kvmalloc_array() for BPF iterator batches
    https://git.kernel.org/bpf/bpf-next/c/3c6e8a37eff1

You are awesome, thank you!
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