From: <gregkh@linuxfoundation.org>
To: Julia.Lawall@lip6.fr, alexander.deucher@amd.com,
christian.koenig@amd.com, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "drm/radeon: adjust tested variable" has been added to the 4.4-stable tree
Date: Tue, 20 Feb 2018 12:11:06 +0100 [thread overview]
Message-ID: <151912506625493@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
drm/radeon: adjust tested variable
to the 4.4-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:
drm-radeon-adjust-tested-variable.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 3a61b527b4e1f285d21b6e9e623dc45cf8bb391f Mon Sep 17 00:00:00 2001
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sat, 27 Jan 2018 15:28:15 +0100
Subject: drm/radeon: adjust tested variable
MIME-Version: 1.0
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From: Julia Lawall <Julia.Lawall@lip6.fr>
commit 3a61b527b4e1f285d21b6e9e623dc45cf8bb391f upstream.
Check the variable that was most recently initialized.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x, y, f, g, e, m;
statement S1,S2,S3,S4;
@@
x = f(...);
if (\(<+...x...+>\&e\)) S1 else S2
(
x = g(...);
|
m = g(...,&x,...);
|
y = g(...);
*if (e)
S3 else S4
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/radeon/radeon_uvd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -946,7 +946,7 @@ int radeon_uvd_calc_upll_dividers(struct
/* calc dclk divider with current vco freq */
dclk_div = radeon_uvd_calc_upll_post_div(vco_freq, dclk,
pd_min, pd_even);
- if (vclk_div > pd_max)
+ if (dclk_div > pd_max)
break; /* vco is too big, it has to stop */
/* calc score with current vco freq */
Patches currently in stable-queue which might be from Julia.Lawall@lip6.fr are
queue-4.4/drm-radeon-adjust-tested-variable.patch
reply other threads:[~2018-02-20 11:12 UTC|newest]
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