From 2bdb6b64969f3d068cf0ec1a3f95eabbe9fd90d1 Mon Sep 17 00:00:00 2001
From: Danil Iashchenko <danyaschenko@gmail.com>
Date: Mon, 9 Jul 2018 15:41:48 +0300
Subject: [PATCH] lavfi/avgblur_opencl: fix using uninitialized value
Fixed using uninitialized value "global_work[0]" when calling "av_log".
Fixes CID #1437471.
---
libavfilter/vf_avgblur_opencl.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_avgblur_opencl.c b/libavfilter/vf_avgblur_opencl.c
index 99ed1ca3076..f0e5f01e045 100644
--- a/libavfilter/vf_avgblur_opencl.c
+++ b/libavfilter/vf_avgblur_opencl.c
@@ -205,10 +205,6 @@ static int avgblur_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
radius_y = 0;
}
- av_log(avctx, AV_LOG_DEBUG, "Run kernel on plane %d "
- "(%"SIZE_SPECIFIER"x%"SIZE_SPECIFIER").\n",
- p, global_work[0], global_work[1]);
-
for (i = 0; i < ctx->power[p]; i++) {
CL_SET_KERNEL_ARG(ctx->kernel_horiz, 0, cl_mem, &inter);
CL_SET_KERNEL_ARG(ctx->kernel_horiz, 1, cl_mem, i == 0 ? &src : &dst);
@@ -223,6 +219,10 @@ static int avgblur_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
if (err < 0)
goto fail;
+ av_log(avctx, AV_LOG_DEBUG, "Run kernel on plane %d "
+ "(%"SIZE_SPECIFIER"x%"SIZE_SPECIFIER").\n",
+ p, global_work[0], global_work[1]);
+
cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel_horiz, 2, NULL,
global_work, NULL,
0, NULL, NULL);
--
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