net: sockets: choose SOCKETPAIR_HEAP when MEM_POOL enabled

Don't check 'HEAP_MEM_POOL_SIZE != 0', as HEAP_MEM_POOL_SIZE might be 0,
but HEAP_MEM_POOL_ADD_SIZE_xxx is defined, which means the actual heap
size is not zero. So check KERNEL_MEM_POOL instead.

Signed-off-by: Maochen Wang <[email protected]>

Author: MaochenWang1

subsys/net/lib/sockets/Kconfig

@@ -340,7 +340,7 @@ config NET_SOCKETPAIR_BUFFER_SIZE
 
 choice
 	prompt "Memory management for socketpair"
-	default NET_SOCKETPAIR_HEAP if HEAP_MEM_POOL_SIZE != 0
+	default NET_SOCKETPAIR_HEAP if KERNEL_MEM_POOL
 
 config NET_SOCKETPAIR_STATIC
 	bool "Pre-allocate memory statically"