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746c908c4d
This patch fixes a crash that can happen during probe when the available dma memory is not enough (this can happen if the crypto4xx is built as a module). The descriptor window mapping would end up being free'd twice, once in crypto4xx_build_pdr() and the second time in crypto4xx_destroy_sdr(). Fixes: 5d59ad6eea82 ("crypto: crypto4xx - fix crypto4xx_build_pdr, crypto4xx_build_sdr leak") Cc: <stable@vger.kernel.org> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>