From: Matthew Daley <mattjd@gmail.com>
Date: Tue, 10 Sep 2013 14:34:18 +0000 (+1200)
Subject: libxl: correctly handle readlink() errors
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~6370^2~6
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=ad6aa096e49a4ea78ca7816f6385c4d23c498fcd;p=xen.git

libxl: correctly handle readlink() errors

readlink() returns a ssize_t with a negative value on failure.

Coverity-ID: 1055566
Signed-off-by: Matthew Daley <mattjd@gmail.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/tools/libxl/libxl_exec.c b/tools/libxl/libxl_exec.c
index 98bfd716ac..7eddaef2e3 100644
--- a/tools/libxl/libxl_exec.c
+++ b/tools/libxl/libxl_exec.c
@@ -33,7 +33,7 @@ static void check_open_fds(const char *what)
 
     for (i = 4; i < 256; i++) {
 #ifdef __linux__
-        size_t len;
+        ssize_t len;
         char path[PATH_MAX];
         char linkpath[PATH_MAX+1];
 #endif