From: Gabriel Corona <gabriel.corona@loria.fr>
Date: Thu, 11 Dec 2014 13:51:39 +0000 (+0100)
Subject: [mc] Fix error handling in MC_process{read,write}
X-Git-Tag: v3_12~732^2~153
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/d09d2226ff2bebe3f80b52807cd12bbbdc750521?ds=sidebyside

[mc] Fix error handling in MC_process{read,write}
---

diff --git a/src/mc/mc_process.c b/src/mc/mc_process.c
index 900a6f8d50..d7710399e0 100644
--- a/src/mc/mc_process.c
+++ b/src/mc/mc_process.c
@@ -254,7 +254,7 @@ static ssize_t pread_whole(int fd, void *buf, size_t count, off_t offset)
   ssize_t real_count = count;
   while (count) {
     ssize_t res = pread(fd, buffer, count, offset);
-    if (res >= 0) {
+    if (res > 0) {
       count  -= res;
       buffer += res;
       offset += res;
@@ -273,7 +273,7 @@ static ssize_t pwrite_whole(int fd, const void *buf, size_t count, off_t offset)
   ssize_t real_count = count;
   while (count) {
     ssize_t res = pwrite(fd, buffer, count, offset);
-    if (res >= 0) {
+    if (res > 0) {
       count  -= res;
       buffer += res;
       offset += res;