From 5a8449a391d2cc848f55cfb4406bad4ded0bd138 Mon Sep 17 00:00:00 2001
From: BALATON Zoltan
Date: Tue, 12 Jul 2016 23:01:47 +0200
Subject: Propagate lower level errors to callers instead of returning unknown
 error for most failures

---
 src/idevice.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/idevice.c')

diff --git a/src/idevice.c b/src/idevice.c
index b6dfe4e..913038e 100644
--- a/src/idevice.c
+++ b/src/idevice.c
@@ -376,8 +376,8 @@ static idevice_error_t internal_connection_receive_timeout(idevice_connection_t
 	if (connection->type == CONNECTION_USBMUXD) {
 		int res = usbmuxd_recv_timeout((int)(long)connection->data, data, len, recv_bytes, timeout);
 		if (res < 0) {
-			debug_info("ERROR: usbmuxd_recv_timeout returned %d (%s)", res, strerror(-res));
-			return IDEVICE_E_UNKNOWN_ERROR;
+			debug_info("ERROR: usbmuxd_recv_timeout returned %d (%s)", res, strerror(errno));
+			return (res == -EAGAIN ? IDEVICE_E_NOT_ENOUGH_DATA : IDEVICE_E_UNKNOWN_ERROR);
 		}
 		return IDEVICE_E_SUCCESS;
 	} else {
-- 
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