This is a note to let you know that I've just added the patch titled
drm/radeon: adjust tested variable
to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: drm-radeon-adjust-tested-variable.patch and it can be found in the queue-4.15 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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
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 @@ -995,7 +995,7 @@ 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-4.15/drm-radeon-adjust-tested-variable.patch