This is a note to let you know that I've just added the patch titled
xen/hvc: Fix error cases around HVM_PARAM_CONSOLE_PFN
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
xen-hvc-fix-error-cases-around-hvm_param_console_pfn.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From a32c88b9386ce3df87f28dd46bdc3776cd6edf75 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <[email protected]>
Date: Wed, 23 May 2012 12:55:38 -0400
Subject: xen/hvc: Fix error cases around HVM_PARAM_CONSOLE_PFN
From: Konrad Rzeszutek Wilk <[email protected]>
commit a32c88b9386ce3df87f28dd46bdc3776cd6edf75 upstream.
We weren't resetting the parameter to be passed in to a
known default. Nor were we checking the return value of
hvm_get_parameter.
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/tty/hvc/hvc_xen.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -219,7 +219,8 @@ static int xen_hvm_console_init(void)
if (r < 0)
goto err;
info->evtchn = v;
- hvm_get_parameter(HVM_PARAM_CONSOLE_PFN, &v);
+ v = 0;
+ r = hvm_get_parameter(HVM_PARAM_CONSOLE_PFN, &v);
if (r < 0)
goto err;
mfn = v;
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/xen-hvc-fix-error-cases-around-hvm_param_console_pfn.patch
queue-3.4/xen-hvc-check-hvm_param_console_-for-correctness.patch
queue-3.4/xen-hvc-collapse-error-logic.patch
queue-3.4/xen-setup-filter-aperfmperf-cpuid-feature-out.patch
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