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qemu: check unlink hint from virQEMUFileOpenAs()

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Signed-off-by: Simon Rowe <simon.rowe@nutanix.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Simon Rowe 2021-08-23 15:40:48 +00:00 committed by Michal Privoznik
parent 5646b7c5e1
commit e72fe141f8
1 changed files with 3 additions and 5 deletions
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8
src/qemu/qemu_driver.c
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@ -3201,6 +3201,7 @@ doCoreDump(virQEMUDriver *driver,
int rc = -1;
virFileWrapperFd *wrapperFd = NULL;
int directFlag = 0;
bool needUnlink = false;
unsigned int flags = VIR_FILE_WRAPPER_NON_BLOCKING;
const char *memory_dump_format = NULL;
g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
@ -3224,12 +3225,9 @@ doCoreDump(virQEMUDriver *driver,
goto cleanup;
}
}
/* Core dumps usually imply last-ditch analysis efforts are
* desired, so we intentionally do not unlink even if a file was
* created. */
if ((fd = virQEMUFileOpenAs(cfg->user, cfg->group, false, path,
O_CREAT | O_TRUNC | O_WRONLY | directFlag,
NULL)) < 0)
&needUnlink)) < 0)
goto cleanup;
if (!(wrapperFd = virFileWrapperFdNew(&fd, path, flags)))
@ -3282,7 +3280,7 @@ doCoreDump(virQEMUDriver *driver,
if (qemuDomainFileWrapperFDClose(vm, wrapperFd) < 0)
ret = -1;
virFileWrapperFdFree(wrapperFd);
if (ret != 0)
if (ret != 0 && needUnlink)
unlink(path);
return ret;
}