um: Fix return value of strnlen_user()

In case of an error it must not return -EFAULT.
Return 0 like all other archs do.

Reported-by: toralf.foerster@gmx.de
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2013-05-11 15:35:32 +02:00
parent ecb2cf1a6b
commit 3179ce7254

View File

@ -254,6 +254,6 @@ int strnlen_user(const void __user *str, int len)
n = buffer_op((unsigned long) str, len, 0, strnlen_chunk, &count);
if (n == 0)
return count + 1;
return -EFAULT;
return 0;
}
EXPORT_SYMBOL(strnlen_user);