--- sane-backends-1.0.30/sanei/sanei_tcp.c	2020-05-17 06:54:18.000000000 -0500
+++ sane-backends-1.0.30/sanei/sanei_tcp.c	2020-06-10 14:10:06.980398975 -0500
@@ -46,6 +46,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <time.h>
 
 #ifndef SSIZE_MAX
 #define SSIZE_MAX LONG_MAX
@@ -130,6 +131,7 @@ sanei_tcp_read(int fd, u_char * buf, siz
 {
 	size_t bytes_recv = 0;
 	ssize_t rc = 1;
+	int retry = 5;
 
 	if (count > SSIZE_MAX) {
 		errno = EINVAL;
@@ -139,9 +141,21 @@ sanei_tcp_read(int fd, u_char * buf, siz
 	while (bytes_recv < count && rc > 0)
 	{
 		rc = recv(fd, buf+bytes_recv, count-bytes_recv, 0);
+		DBG(1, "%s: bytes received %d\n", __FUNCTION__, rc);
 		if (rc > 0)
 		  bytes_recv += rc;
-
+		else {
+			if ( errno == EAGAIN && retry-- ) {
+				DBG(1, "%s: waiting  %d\n", __FUNCTION__, retry);
+				/* wait for max 1s */
+				struct timespec req;
+				struct timespec rem;
+				req.tv_sec = 0;
+				req.tv_nsec= 100000000;
+				nanosleep(&req, &rem);
+				rc = 1;
+			}
+		}
 	}
 	return bytes_recv;
 }