[libvirt] [PATCH 2/2] qemu: avoid fd leak on core dump failure
Daniel P. Berrange
berrange at redhat.com
Tue Jul 12 08:54:06 UTC 2011
On Mon, Jul 11, 2011 at 05:44:59PM -0600, Eric Blake wrote:
> * src/qemu/qemu_driver.c (doCoreDump): Guarantee fd is closed.
> ---
>
> Spotted by hand, while working on virDomainSaveFlags.
>
> src/qemu/qemu_driver.c | 10 ++++++----
> 1 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 1356c54..f9d2de4 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -2525,10 +2525,11 @@ cleanup:
> return ret;
> }
>
> -static int doCoreDump(struct qemud_driver *driver,
> - virDomainObjPtr vm,
> - const char *path,
> - enum qemud_save_formats compress)
> +static int
> +doCoreDump(struct qemud_driver *driver,
> + virDomainObjPtr vm,
> + const char *path,
> + enum qemud_save_formats compress)
> {
> int fd = -1;
> int ret = -1;
> @@ -2554,6 +2555,7 @@ static int doCoreDump(struct qemud_driver *driver,
> ret = 0;
>
> cleanup:
> + VIR_FORCE_CLOSE(fd);
> if (ret != 0)
> unlink(path);
> return ret;
ACK
Daniel
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