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linux-user: Fix sched_getaffinity mask size

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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;