Richard Henderson 360f0abdc5 linux-user: Use signed lengths in uaccess.c ...

Partially revert 09f679b62d, but only for the length arguments.
Instead of reverting to long, use ssize_t.  Reinstate the > 0 check
in unlock_user.

Fixes: 09f679b62d
Reported-by: Coverity (CID 1446711)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210315204004.2025219-1-richard.henderson@linaro.org>
[lv: remove superfluous semicolon]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

2021-04-07 18:55:27 +02:00

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