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firmware: imx: scu: Fix corruption of header
[ Upstream commit f5f27b7 ] The header of the message to send can be changed if the response is longer than the request: - 1st word, the header is sent - the remaining words of the message are sent - the response is received asynchronously during the execution of the loop, changing the size field in the header - the for loop test the termination condition using the corrupted header It is the case for the API build_info which has just a header as request but 3 words in response. This issue is fixed storing the header locally instead of using a pointer on it. Fixes: edbee09 (firmware: imx: add SCU firmware driver support) Signed-off-by: Franck LENORMAND <[email protected]> Reviewed-by: Leonard Crestez <[email protected]> Signed-off-by: Leonard Crestez <[email protected]> Cc: [email protected] Reviewed-by: Dong Aisheng <[email protected]> Signed-off-by: Shawn Guo <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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