External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2025-01-10 23:07:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

blockinfo: fix qemu regression in handling disk name

Browse Source 
Regression introduced in commit 89b6284fd, due to an incorrect
conversion to the new means of converting disk names back to
the correct object.

* src/qemu/qemu_driver.c (qemuDomainGetBlockInfo): Avoid NULL deref.
This commit is contained in:
Eric Blake 2011-09-08 10:10:14 +01:00
parent 4d3d3e475f
commit 6977fd95bf
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/qemu/qemu_driver.c
View File

@ -7755,8 +7755,8 @@ static int qemuDomainGetBlockInfo(virDomainPtr dom,
virStorageFileMetadata *meta = NULL;
virDomainDiskDefPtr disk = NULL;
struct stat sb;
int i;
int format;
const char *actual;
virCheckFlags(0, -1);
@ -7778,12 +7778,19 @@ static int qemuDomainGetBlockInfo(virDomainPtr dom,
}
/* Check the path belongs to this domain. */
if (!(actual = virDomainDiskPathByName(vm->def, path))) {
if ((i = virDomainDiskIndexByName(vm->def, path, false)) < 0) {
qemuReportError(VIR_ERR_INVALID_ARG,
_("invalid path %s not assigned to domain"), path);
goto cleanup;
}
path = actual;
disk = vm->def->disks[i];
if (!disk->src) {
qemuReportError(VIR_ERR_INVALID_ARG,
_("disk %s does not currently have a source assigned"),
path);
goto cleanup;
}
path = disk->src;
/* The path is correct, now try to open it and get its size. */
fd = open(path, O_RDONLY);