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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-16 22:41:47 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-16 22:41:47 +0200
commitf685fc6ab05192c7bb924288c8685b95e92a7c65 (patch)
tree804b643604f19adefdcbd03065bb3e1bee515cf7 /drivers/hv
parent7adb05bb813d1ba4863c8914eead6139d3d5f8ff (diff)
parent7876320f88802b22d4e2daf7eb027dd14175a0f8 (diff)
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Merge b4.19-rc4 into char-misc-next
We want the bugfixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/vmbus_drv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index e6d8fdac6d8b..4bbc420d1213 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1368,6 +1368,9 @@ static ssize_t vmbus_chan_attr_show(struct kobject *kobj,
if (!attribute->show)
return -EIO;
+ if (chan->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
+
return attribute->show(chan, buf);
}