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vo_opengl: hwdec_rpi: fix NULL pointer deref in certain cases

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If a client API user provides the MPGetNativeDisplay callback, but
returns NULL for "MPV_RPI_WINDOW", this would crash.
This commit is contained in:
wm4
2016-10-04 16:36:20 +02:00
parent 75cab315ea
commit 202f14aa29
1 changed files with 3 additions and 1 deletions
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4
video/out/opengl/hwdec_rpi.c
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@@ -136,7 +136,9 @@ static void update_overlay(struct gl_hwdec *hw, bool check_window_only)
int defs[4] = {0, 0, 0, 0};
int *z =
gl->MPGetNativeDisplay ? gl->MPGetNativeDisplay("MPV_RPI_WINDOW") : defs;
gl->MPGetNativeDisplay ? gl->MPGetNativeDisplay("MPV_RPI_WINDOW") : NULL;
if (!z)
z = defs;
// As documented in the libmpv openglcb headers.
int display = z[0];