On Tue, Apr 19, 2016 at 03:44:11PM +0200, Krzysztof Kozlowski wrote: > The driver makes copies of memory (input or output scatterlists) if they > are not aligned. In s5p_aes_crypt_start() error path (on unsuccessful > initialization of output scatterlist), if input scatterlist was not > aligned, the driver first freed copied input memory and then unmapped it > from the device, instead of doing otherwise (unmap and then free). > > This was wrong in two ways: > 1. Freed pages were still mapped to the device. > 2. The dma_unmap_sg() iterated over freed scatterlist structure. > > The call to s5p_free_sg_cpy() in this error path is not needed because > the copied scatterlists will be freed by s5p_aes_complete(). > > Fixes: 9e4a1100a445 ("crypto: s5p-sss - Handle unaligned buffers") > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> Both applied. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html