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[Qemu-devel] [PATCH 04/10] qcow: return errno instead of -1


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 04/10] qcow: return errno instead of -1
Date: Wed, 3 Mar 2010 13:06:54 +0100

Signed-off-by: Juan Quintela <address@hidden>
---
 block/qcow.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/block/qcow.c b/block/qcow.c
index 003db1e..c619984 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -766,7 +766,7 @@ static int qcow_create(const char *filename, 
QEMUOptionParameter *options)

     fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
     if (fd < 0)
-        return -1;
+        return -errno;
     memset(&header, 0, sizeof(header));
     header.magic = cpu_to_be32(QCOW_MAGIC);
     header.version = cpu_to_be32(QCOW_VERSION);
@@ -804,14 +804,14 @@ static int qcow_create(const char *filename, 
QEMUOptionParameter *options)
     /* write all the data */
     ret = qemu_write_full(fd, &header, sizeof(header));
     if (ret != sizeof(header)) {
-        ret = -1;
+        ret = -errno;
         goto exit;
     }

     if (backing_file) {
         ret = qemu_write_full(fd, backing_file, backing_filename_len);
         if (ret != backing_filename_len) {
-            ret = -1;
+            ret = -errno;
             goto exit;
         }

@@ -821,7 +821,7 @@ static int qcow_create(const char *filename, 
QEMUOptionParameter *options)
     for(i = 0;i < l1_size; i++) {
         ret = qemu_write_full(fd, &tmp, sizeof(tmp));
         if (ret != sizeof(tmp)) {
-            ret = -1;
+            ret = -errno;
             goto exit;
         }
     }
-- 
1.6.5.2





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