[PATCHv2 -next] drm/amdgpu: double free error and freeing uninitialized null pointer

[André Almeida]

Às 00:46 de 30/07/22, Sebin Sebastian escreveu:
> Fix a double free and an uninitialized pointer read error. Both tmp and
> new are pointing at same address and both are freed which leads to
> double free. Adding a check to verify if new and tmp are free in the
> error_free label fixes the double free issue. new is not initialized to
> null which also leads to a free on an uninitialized pointer.
> 
> Suggested by: S. Amaranath <Amaranath.Somalapuram at amd.com>
> Signed-off-by: Sebin Sebastian <mailmesebin00 at gmail.com>

Reviewed-by: André Almeida <andrealmeid at igalia.com>