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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!
This commit is contained in:
Ryan C. Gordon 2019-03-21 10:39:49 -04:00
parent 01c924fa9e
commit 8ab698af15
1 changed files with 4 additions and 2 deletions
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6
src/render/opengles2/SDL_render_gles2.c
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@ -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;