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libubus: use list_empty/list_first_entry in ubus_process_pending_msg

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Simplifies checks and avoids potential list corruption on recursive calls

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-08-09 12:49:34 +02:00
parent b743a33142
commit 2099bb3ad9
1 changed files with 3 additions and 2 deletions
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5
libubus.c
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@ -115,12 +115,13 @@ ubus_process_msg(struct ubus_context *ctx, struct ubus_msghdr_buf *buf, int fd)
static void ubus_process_pending_msg(struct uloop_timeout *timeout)
{
struct ubus_context *ctx = container_of(timeout, struct ubus_context, pending_timer);
struct ubus_pending_msg *pending, *tmp;
struct ubus_pending_msg *pending;
list_for_each_entry_safe(pending, tmp, &ctx->pending, list) {
while (!list_empty(&ctx->pending)) {
if (ctx->stack_depth)
break;
pending = list_first_entry(&ctx->pending, struct ubus_pending_msg, list);
list_del(&pending->list);
ubus_process_msg(ctx, &pending->hdr, -1);
free(pending);