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* [PATCH] xen: fix boolean parameter handling
@ 2017-08-28 14:49 Juergen Gross
  2017-08-28 15:02 ` Jan Beulich
  0 siblings, 1 reply; 3+ messages in thread
From: Juergen Gross @ 2017-08-28 14:49 UTC (permalink / raw)
  To: xen-devel
  Cc: Juergen Gross, sstabellini, wei.liu2, George.Dunlap,
	andrew.cooper3, ian.jackson, tim, jbeulich

Commit 63e8a1e5ffa7a7fdbde887805f673fea7e8d2e94 ("xen: check parameter
validity when parsing command line") introduced a bug for the case
when a boolean parameter was specified by its keyword only (no value).
It would set just the wrong boolean value for that parameter.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 xen/common/kernel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/kernel.c b/xen/common/kernel.c
index f96e402515..94fdf5c60a 100644
--- a/xen/common/kernel.c
+++ b/xen/common/kernel.c
@@ -136,7 +136,7 @@ static int parse_params(const char *cmdline, const struct kernel_param *start,
                     rctmp = -EINVAL;
                 break;
             case OPT_BOOL:
-                rctmp = *optval ? parse_bool(optval, NULL) : 0;
+                rctmp = *optval ? parse_bool(optval, NULL) : 1;
                 if ( rctmp < 0 )
                     break;
                 if ( !rctmp )
-- 
2.12.3


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https://lists.xen.org/xen-devel

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] xen: fix boolean parameter handling
  2017-08-28 14:49 [PATCH] xen: fix boolean parameter handling Juergen Gross
@ 2017-08-28 15:02 ` Jan Beulich
  2017-08-28 15:45   ` Andrew Cooper
  0 siblings, 1 reply; 3+ messages in thread
From: Jan Beulich @ 2017-08-28 15:02 UTC (permalink / raw)
  To: Juergen Gross
  Cc: tim, sstabellini, wei.liu2, George.Dunlap, andrew.cooper3,
	ian.jackson, xen-devel

>>> On 28.08.17 at 16:49, <jgross@suse.com> wrote:
> Commit 63e8a1e5ffa7a7fdbde887805f673fea7e8d2e94 ("xen: check parameter
> validity when parsing command line") introduced a bug for the case
> when a boolean parameter was specified by its keyword only (no value).
> It would set just the wrong boolean value for that parameter.
> 
> Signed-off-by: Juergen Gross <jgross@suse.com>

Acked-by: Jan Beulich <jbeulich@suse.com>



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Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] xen: fix boolean parameter handling
  2017-08-28 15:02 ` Jan Beulich
@ 2017-08-28 15:45   ` Andrew Cooper
  0 siblings, 0 replies; 3+ messages in thread
From: Andrew Cooper @ 2017-08-28 15:45 UTC (permalink / raw)
  To: Jan Beulich, Juergen Gross
  Cc: sstabellini, wei.liu2, George.Dunlap, tim, ian.jackson, xen-devel

On 28/08/17 16:02, Jan Beulich wrote:
>>>> On 28.08.17 at 16:49, <jgross@suse.com> wrote:
>> Commit 63e8a1e5ffa7a7fdbde887805f673fea7e8d2e94 ("xen: check parameter
>> validity when parsing command line") introduced a bug for the case
>> when a boolean parameter was specified by its keyword only (no value).
>> It would set just the wrong boolean value for that parameter.
>>
>> Signed-off-by: Juergen Gross <jgross@suse.com>
> Acked-by: Jan Beulich <jbeulich@suse.com>
>
>

Reviewed, tested and queued.  Thanks.

~Andrew

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https://lists.xen.org/xen-devel

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2017-08-28 14:49 [PATCH] xen: fix boolean parameter handling Juergen Gross
2017-08-28 15:02 ` Jan Beulich
2017-08-28 15:45   ` Andrew Cooper

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