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[08/10] exec_close(): return -errno on errors (v2)

Message ID 1320928908-19076-9-git-send-email-ehabkost@redhat.com
State New
Headers show

Commit Message

Eduardo Habkost Nov. 10, 2011, 12:41 p.m. UTC 
All qemu_fclose() callers were already changed to accept any negative
value as error, so we now can change it to return -errno.

When the process exits with a non-zero exit code, we return -EIO to as a
fake errno value.

Changes v1 -> v2:
 - Don't use "//" comments, to make checkpatch.pl happy

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 migration-exec.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)
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Patch

diff --git a/migration-exec.c b/migration-exec.c
index 626b648..e14552e 100644
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -50,12 +50,9 @@  static int exec_close(MigrationState *s)
         ret = qemu_fclose(s->opaque);
         s->opaque = NULL;
         s->fd = -1;
-        if (ret >= 0 &&
-            WIFEXITED(ret)
-            && WEXITSTATUS(ret) == 0) {
-            ret = 0;
-        } else {
-            ret = -1;
+        if (ret >= 0 && !(WIFEXITED(ret) && WEXITSTATUS(ret) == 0)) {
+            /* close succeeded, but non-zero exit code: */
+            ret = -EIO; /* fake errno value */
         }
     }
     return ret;