Messages in this thread Patch in this message | | | Date | Fri, 4 Jan 2013 21:54:55 +0300 | From | Dan Carpenter <> | Subject | [patch] compat: return -EFAULT on error in waitid() |
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The copy_to_user() call returns the number of bytes remaining but we want to return -EFAULT on error.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- Only needed in linux-next.
diff --git a/kernel/compat.c b/kernel/compat.c index de6f324..19971d8 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -593,7 +593,7 @@ COMPAT_SYSCALL_DEFINE5(waitid, else ret = put_compat_rusage(&ru, uru); if (ret) - return ret; + return -EFAULT; } BUG_ON(info.si_code & __SI_MASK);
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