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storage: report VIR_ERR_NO_STORAGE_VOL when the file doesn't exist

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Report VIR_ERR_NO_STORAGE_VOL instead of a system error when lstat
fails because the file doesn't exist.

Fixes this problem in virt-install:

  https://bugzilla.redhat.com/show_bug.cgi?id=1108922

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2014-06-13 16:48:15 +02:00 committed by Eric Blake
parent aad479dc4e
commit d6e92bfa38
1 changed files with 9 additions and 3 deletions
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12
src/storage/storage_backend.c
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@ -1305,9 +1305,15 @@ virStorageBackendVolOpen(const char *path, struct stat *sb,
bool noerror = (flags & VIR_STORAGE_VOL_OPEN_NOERROR);
if (lstat(path, sb) < 0) {
if (errno == ENOENT && noerror) {
VIR_WARN("ignoring missing file '%s'", path);
return -2;
if (errno == ENOENT) {
if (noerror) {
VIR_WARN("ignoring missing file '%s'", path);
return -2;
}
virReportError(VIR_ERR_NO_STORAGE_VOL,
_("no storage vol with matching path '%s'"),
path);
return -1;
}
virReportSystemError(errno,
_("cannot stat file '%s'"),