net: ipc_router: Remove header length check

V1 header length check for read_avail cause read failures if packet
comes with V2 header and payload less than 16bytes.

Remove the V1 header length check to read small packets once it receives.

CRs-Fixed: 2279076
Change-Id: I7daf5c150e501d209057d6f2af998f685f5cd25d
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
diff --git a/net/ipc_router/ipc_router_fifo_xprt.c b/net/ipc_router/ipc_router_fifo_xprt.c
index ae85fd1..c90534d 100644
--- a/net/ipc_router/ipc_router_fifo_xprt.c
+++ b/net/ipc_router/ipc_router_fifo_xprt.c
@@ -255,7 +255,7 @@
 	hdr_len = sizeof(struct rr_header_v1);
 	while (1) {
 		rx_avail = fifo_rx_avail(&xprtp->rx_pipe);
-		if (!rx_avail || (rx_avail < hdr_len))
+		if (!rx_avail)
 			break;
 
 		fifo_rx_peak(&xprtp->rx_pipe, &hdr, 0, hdr_len);