[Xen-devel] [PATCH] Make xenstored EOF-safe

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

As bug 968 suggests, xenstored must properly handle EOF from clients.

From: Pavel Kankovsky <peak@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxx>

diff -r 6fd17d0dcbcd tools/xenstore/xenstored_core.c
--- a/tools/xenstore/xenstored_core.c   Tue Nov 27 12:49:16 2007 +0000
+++ b/tools/xenstore/xenstored_core.c   Tue Nov 27 14:56:35 2007 +0000
@@ -1266,7 +1266,7 @@ static void handle_input(struct connecti
        if (in->inhdr) {
                bytes = conn->read(conn, in->hdr.raw + in->used,
                                   sizeof(in->hdr) - in->used);
-               if (bytes < 0)
+               if (bytes <= 0)
                        goto bad_client;
                in->used += bytes;
                if (in->used != sizeof(in->hdr))
@@ -1288,7 +1288,7 @@ static void handle_input(struct connecti
 
        bytes = conn->read(conn, in->buffer + in->used,
                           in->hdr.msg.len - in->used);
-       if (bytes < 0)
+       if (bytes <= 0)
                goto bad_client;
 
        in->used += bytes;

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