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linux-user: Fix sched_getaffinity mask size 

We properly computed the capped mask size to be put to the application
buffer, but didn't actually used it. Also, we need to return the capped mask
size instead of 0 on success.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180211174704.27441-1-samuel.thibault@ens-lyon.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Samuel Thibault 2018-02-11 18:47:04 +01:00 committed by Laurent Vivier
parent 2c418853b9
commit 5fdefcf808
1 changed files with 3 additions and 1 deletions
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4
linux-user/syscall.c
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@ -10502,7 +10502,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = arg2;
}
ret = host_to_target_cpu_mask(mask, mask_size, arg3, arg2);
if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
goto efault;
}
}
}
break;