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authorMarkus Armbruster <armbru@redhat.com>2014-05-16 11:00:22 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2014-05-28 14:28:47 +0200
commit7d2d3e74e56b9a341e5206b8749b3d4e67c66959 (patch)
tree151ebb8a47f32fcbd850a33f87557395ad619eb0 /block/sheepdog.c
parent318df29e103ab8a3a5fe25106d0120e956db31aa (diff)
block/sheepdog: Propagate errors through do_sd_create()
Cc: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/sheepdog.c')
-rw-r--r--block/sheepdog.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 4df45a1591..d01cc8867c 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1481,19 +1481,17 @@ out:
return ret;
}
-static int do_sd_create(BDRVSheepdogState *s, uint32_t *vdi_id, int snapshot)
+static int do_sd_create(BDRVSheepdogState *s, uint32_t *vdi_id, int snapshot,
+ Error **errp)
{
- Error *local_err = NULL;
SheepdogVdiReq hdr;
SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
int fd, ret;
unsigned int wlen, rlen = 0;
char buf[SD_MAX_VDI_LEN];
- fd = connect_to_sdog(s, &local_err);
+ fd = connect_to_sdog(s, errp);
if (fd < 0) {
- qerror_report_err(local_err);
- error_free(local_err);
return fd;
}
@@ -1522,11 +1520,12 @@ static int do_sd_create(BDRVSheepdogState *s, uint32_t *vdi_id, int snapshot)
closesocket(fd);
if (ret) {
+ error_setg_errno(errp, -ret, "create failed");
return ret;
}
if (rsp->result != SD_RES_SUCCESS) {
- error_report("%s, %s", sd_strerror(rsp->result), s->inode.name);
+ error_setg(errp, "%s, %s", sd_strerror(rsp->result), s->inode.name);
return -EIO;
}
@@ -1731,15 +1730,19 @@ static int sd_create(const char *filename, QEMUOptionParameter *options,
bdrv_unref(bs);
}
- ret = do_sd_create(s, &vid, 0);
- if (!prealloc || ret) {
+ ret = do_sd_create(s, &vid, 0, &local_err);
+ if (ret) {
+ qerror_report_err(local_err);
+ error_free(local_err);
goto out;
}
- ret = sd_prealloc(filename, &local_err);
- if (ret < 0) {
- qerror_report_err(local_err);
- error_free(local_err);
+ if (prealloc) {
+ ret = sd_prealloc(filename, &local_err);
+ if (ret < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ }
}
out:
g_free(s);
@@ -1928,8 +1931,10 @@ static int sd_create_branch(BDRVSheepdogState *s)
* false bail out.
*/
deleted = sd_delete(s);
- ret = do_sd_create(s, &vid, !deleted);
+ ret = do_sd_create(s, &vid, !deleted, &local_err);
if (ret) {
+ qerror_report_err(local_err);
+ error_free(local_err);
goto out;
}
@@ -2197,8 +2202,10 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
goto cleanup;
}
- ret = do_sd_create(s, &new_vid, 1);
+ ret = do_sd_create(s, &new_vid, 1, &local_err);
if (ret < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
error_report("failed to create inode for snapshot. %s",
strerror(errno));
goto cleanup;