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[Qemu-devel] [PATCH v2 5/5] blockdev: use error_set_file_open_failed
From: |
Alon Levy |
Subject: |
[Qemu-devel] [PATCH v2 5/5] blockdev: use error_set_file_open_failed |
Date: |
Thu, 15 Mar 2012 00:55:14 +0200 |
This is a little trickier, since those calls chain in many fun ways and
produce sometimes their own return values reusing existing errno values
for similar meanings. In that respect error_set_file_open_failed
specifically ignores EINVAL, ENOTSUP and ENOENT. The first two simply
are not returned by open (2), but the last is but I chose to ignore it
to allow easy reuse in blockdev to avoid confusion when it is used
internally by the create functions.
Signed-off-by: Alon Levy <address@hidden>
---
blockdev.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/blockdev.c b/blockdev.c
index 1a500b8..544d067 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -777,7 +777,7 @@ void qmp_transaction(BlockdevActionList *dev_list, Error
**errp)
states->old_bs->drv->format_name,
NULL, -1, flags);
if (ret) {
- error_set(errp, QERR_OPEN_FILE_FAILED, new_image_file);
+ error_set_file_open_failed(errp, new_image_file, -ret);
goto delete_and_fail;
}
}
@@ -787,7 +787,7 @@ void qmp_transaction(BlockdevActionList *dev_list, Error
**errp)
ret = bdrv_open(states->new_bs, new_image_file,
flags | BDRV_O_NO_BACKING, drv);
if (ret != 0) {
- error_set(errp, QERR_OPEN_FILE_FAILED, new_image_file);
+ error_set_file_open_failed(errp, new_image_file, -ret);
goto delete_and_fail;
}
}
@@ -881,8 +881,11 @@ static void qmp_bdrv_open_encrypted(BlockDriverState *bs,
const char *filename,
int bdrv_flags, BlockDriver *drv,
const char *password, Error **errp)
{
- if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
- error_set(errp, QERR_OPEN_FILE_FAILED, filename);
+ int ret;
+
+ ret = bdrv_open(bs, filename, bdrv_flags, drv);
+ if (ret < 0) {
+ error_set_file_open_failed(errp, filename, ret);
return;
}
--
1.7.9.3