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mctp i2c: Fix hard head TX bounds length check
We should be testing the length before fitting into the u8 byte_count. This is just a sanity check, the MCTP stack should have limited to MTU which is checked, and we check consistency later in mctp_i2c_xmit(). Found by Smatch mctp_i2c_header_create() warn: impossible condition '(hdr->byte_count > 255) => (0-255 > 255)' Signed-off-by: Matt Johnston <matt@codeconstruct.com.au> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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