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misc: fastrpc: Clean buffers on remote invocation failures
commit 1c80935 upstream. With current design, buffers and dma handles are not freed in case of remote invocation failures returned from DSP. This could result in buffer leakings and dma handle pointing to wrong memory in the fastrpc kernel. Adding changes to clean buffers and dma handles even when remote invocation to DSP returns failures. Fixes: c68cfb7 ("misc: fastrpc: Add support for context Invoke method") Cc: stable <stable@kernel.org> Signed-off-by: Ekansh Gupta <quic_ekangupt@quicinc.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20231013122007.174464-4-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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