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[4/6] qcow2: Return 0/-errno in write_l1_entry

Message ID 1270560614-31030-5-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf April 6, 2010, 1:30 p.m. UTC 
Change write_l1_entry to return the real error code instead of -1.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow2-cluster.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 8cc742b..a2d3962 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -193,7 +193,7 @@  static int write_l1_entry(BDRVQcowState *s, int l1_index)
 {
     uint64_t buf[L1_ENTRIES_PER_SECTOR];
     int l1_start_index;
-    int i;
+    int i, ret;
 
     l1_start_index = l1_index & ~(L1_ENTRIES_PER_SECTOR - 1);
     for (i = 0; i < L1_ENTRIES_PER_SECTOR; i++) {
@@ -201,10 +201,10 @@  static int write_l1_entry(BDRVQcowState *s, int l1_index)
     }
 
     BLKDBG_EVENT(s->hd, BLKDBG_L1_UPDATE);
-    if (bdrv_pwrite(s->hd, s->l1_table_offset + 8 * l1_start_index,
-        buf, sizeof(buf)) != sizeof(buf))
-    {
-        return -1;
+    ret = bdrv_pwrite(s->hd, s->l1_table_offset + 8 * l1_start_index,
+        buf, sizeof(buf));
+    if (ret < 0) {
+        return ret;
     }
 
     return 0;