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opengles2: Fix static analysis warning.

Not clear if this could ever dereference NULL in real life, but better safe
than sorry!
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icculus committed Mar 21, 2019
1 parent 01c924f commit 8ab698af15f7d8ae91a750bf5c7b219381ff3587
Showing with 4 additions and 2 deletions.
  1. +4 −2 src/render/opengles2/SDL_render_gles2.c
@@ -529,8 +529,10 @@ GLES2_CacheProgram(GLES2_RenderData *data, GLES2_ShaderCacheEntry *vertex,
}
data->glDeleteProgram(data->program_cache.tail->id);
data->program_cache.tail = data->program_cache.tail->prev;
SDL_free(data->program_cache.tail->next);
data->program_cache.tail->next = NULL;
if (data->program_cache.tail != NULL) {
SDL_free(data->program_cache.tail->next);
data->program_cache.tail->next = NULL;
}
--data->program_cache.count;
}
return entry;

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