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authorHans de Goede <hdegoede@redhat.com>2020-07-09 15:08:57 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-10 14:45:32 +0300
commit5bc117a27fd044bd5ddeb8ab22c58976bf01b50d (patch)
tree1ed863949b3202b54e6cf4d59a0e36762a3d1a73 /drivers/virt/vboxguest
parent316b0035402f05fe9e9e5334d1ff65dae285cb7c (diff)
downloadlinux-5bc117a27fd044bd5ddeb8ab22c58976bf01b50d.tar.xz
virt: vbox: Log unknown ioctl requests as error
Every now and then upstream adds new ioctls without notifying us, log unknown ioctl requests as an error to catch these. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20200709120858.63928-8-hdegoede@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/virt/vboxguest')
-rw-r--r--drivers/virt/vboxguest/vboxguest_core.c2
-rw-r--r--drivers/virt/vboxguest/vboxguest_utils.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c
index ffd76b949276..c5dfcd42fd07 100644
--- a/drivers/virt/vboxguest/vboxguest_core.c
+++ b/drivers/virt/vboxguest/vboxguest_core.c
@@ -1739,7 +1739,7 @@ int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data)
return vbg_ioctl_log(data);
}
- vbg_debug("VGDrvCommonIoCtl: Unknown req %#08x\n", req);
+ vbg_err_ratelimited("Userspace made an unknown ioctl req %#08x\n", req);
return -ENOTTY;
}
diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c
index 7396187ee32a..ea05af41ec69 100644
--- a/drivers/virt/vboxguest/vboxguest_utils.c
+++ b/drivers/virt/vboxguest/vboxguest_utils.c
@@ -59,6 +59,7 @@ EXPORT_SYMBOL(name)
VBG_LOG(vbg_info, pr_info);
VBG_LOG(vbg_warn, pr_warn);
VBG_LOG(vbg_err, pr_err);
+VBG_LOG(vbg_err_ratelimited, pr_err_ratelimited);
#if defined(DEBUG) && !defined(CONFIG_DYNAMIC_DEBUG)
VBG_LOG(vbg_debug, pr_debug);
#endif