From: Julia Lawall Julia.Lawall@lip6.fr
This patch has been added to the 4.1 stable tree. If you have any objections, please let us know.
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[ Upstream commit 3a61b527b4e1f285d21b6e9e623dc45cf8bb391f ]
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: Sasha Levin alexander.levin@microsoft.com --- drivers/gpu/drm/radeon/radeon_uvd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 6edcb5485092..b35ebabd6a9f 100644 --- 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 radeon_device *rdev, /* 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 */