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Re: [Qemu-devel] [PATCH v3] error: passing a negative value to an os_err
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH v3] error: passing a negative value to an os_errno is wrong |
Date: |
Mon, 10 Nov 2014 10:32:33 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
SeokYeon Hwang <address@hidden> writes:
> Added 'assert(os_errno > 0)' in 'error_set_errno()'.
> Fixed errno since it passes wrong value to 'error_set_errno()'.
>
> Signed-off-by: SeokYeon Hwang <address@hidden>
> ---
> hw/pci/pcie.c | 2 +-
> util/error.c | 1 +
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
> index 58455bd..2902f7d 100644
> --- a/hw/pci/pcie.c
> +++ b/hw/pci/pcie.c
> @@ -229,7 +229,7 @@ static void pcie_cap_slot_hotplug_common(PCIDevice
> *hotplug_dev,
> /* the slot is electromechanically locked.
> * This error is propagated up to qdev and then to HMP/QMP.
> */
> - error_setg_errno(errp, -EBUSY, "slot is electromechanically locked");
> + error_setg_errno(errp, EBUSY, "slot is electromechanically locked");
> }
> }
>
> diff --git a/util/error.c b/util/error.c
> index 2ace0d8..6c9d995 100644
> --- a/util/error.c
> +++ b/util/error.c
> @@ -62,6 +62,7 @@ void error_set_errno(Error **errp, int os_errno, ErrorClass
> err_class,
> return;
> }
> assert(*errp == NULL);
> + assert(os_errno >= 0);
>
> err = g_malloc0(sizeof(*err));
The first hunk could still go into 2.2 as a bug fix. The rest can't.
You could post just the first hunk as "[PATCH for-2.2] pci: Don't pass
negative errno to error_set_errno()", with my R-by.
Reviewed-by: Markus Armbruster <address@hidden>