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From 5ed1e31ed43f8bdfe765c7c564d69fb437961d42 Mon Sep 17 00:00:00 2001
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From: Markus Armbruster <armbru@redhat.com>
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Date: Wed, 5 Mar 2014 17:32:58 +0100
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Subject: [PATCH 02/16] QMP: Relax __com.redhat_drive_add parameter checking
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RH-Author: Markus Armbruster <armbru@redhat.com>
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Message-id: <1394040778-1544-2-git-send-email-armbru@redhat.com>
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Patchwork-id: 58021
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O-Subject: [PATCH 7.0 qemu-kvm 1/1] QMP: Relax __com.redhat_drive_add parameter checking
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Bugzilla: 1057471
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Amos Kong <akong@redhat.com>
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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I/O throttling and many new features are unavailable with this
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command, because its parameter checking is overly restrictive.
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Relax it.
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The command was forward-ported from RHEL-6 (commit 75ad257). It
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provides access to drive_init() via QMP with the parameters restricted
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to a subset of the ones recognized by drive_init(). We did that
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because some parameters make sense only when configuring a frontend in
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addition to a backend, and the command doesn't do that.
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The parameter filtering is implemented as a whitelist. The
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forward-port neglected to update the whitelist for all the stuff that
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has changed since RHEL-6.
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Due to new features like driver-specific parameters, a whitelist is no
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longer convenient. Replace by a blacklist that contains exactly the
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drive_init() parameters that are already filtered out on RHEL-6.
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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---
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device-hotplug.c | 15 +++++----------
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1 file changed, 5 insertions(+), 10 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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device-hotplug.c | 15 +++++----------
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1 files changed, 5 insertions(+), 10 deletions(-)
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diff --git a/device-hotplug.c b/device-hotplug.c
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index 20f6b7f..78a18f2 100644
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--- a/device-hotplug.c
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+++ b/device-hotplug.c
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@@ -80,13 +80,8 @@ err:
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static void check_parm(const char *key, QObject *obj, void *opaque)
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{
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- static const char *valid_keys[] = {
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- "id", "cyls", "heads", "secs", "trans", "media", "snapshot",
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- "file", "cache", "aio", "format", "serial", "rerror", "werror",
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- "readonly", "copy-on-read",
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-#ifdef CONFIG_BLOCK_IO_THROTTLING
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- "bps", "bps_rd", "bps_wr", "iops", "iops_rd", "iops_wr",
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-#endif
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+ static const char *unwanted_keys[] = {
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+ "bus", "unit", "index", "if", "boot", "addr",
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NULL
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};
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@@ -97,14 +92,14 @@ static void check_parm(const char *key, QObject *obj, void *opaque)
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return;
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}
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- for (p = valid_keys; *p; p++) {
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+ for (p = unwanted_keys; *p; p++) {
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if (!strcmp(key, *p)) {
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+ qerror_report(QERR_INVALID_PARAMETER, key);
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+ *stopped = 1;
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return;
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}
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}
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- qerror_report(QERR_INVALID_PARAMETER, key);
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- *stopped = 1;
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}
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int simple_drive_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
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--
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1.7.1
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