From: Andre Noll <maan@systemlinux.org>
Date: Sun, 11 Dec 2011 19:23:14 +0000 (+0100)
Subject: sc_send_result(): Error out on short writes.
X-Git-Tag: v0.4.10~11^2~6
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=2e2f91c92bbdd4107925bcaf521242c588afbfe4;hp=5ac6b5f44f64ff9a2f0e01a65013da829edfab9e

sc_send_result(): Error out on short writes.

This affects only afs command handlers, where short writes should
never happen as the socket fd is set to blocking mode. But still.
---

diff --git a/afs.c b/afs.c
index 46ed6913..73f2c65a 100644
--- a/afs.c
+++ b/afs.c
@@ -593,10 +593,14 @@ out:
 int sc_send_result(struct osl_object *result, void *private)
 {
 	struct stream_cipher_context *scc = private;
+	int ret;
 
 	if (!result->size)
 		return 1;
-	return sc_send_bin_buffer(scc, result->data, result->size);
+	ret = sc_send_bin_buffer(scc, result->data, result->size);
+	if (ret < 0 || ret == result->size)
+		return ret;
+	return -E_SHORT_WRITE;
 }
 
 int com_select(struct stream_cipher_context *scc, int argc, char * const * const argv)