[PATCH] RxRPC: Fix missing __user annotation

[David Howells]

Fix a missing __user annotation in a cast of a user space pointer (found by
checker).

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

 net/rxrpc/ar-key.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index b45d080e64a7..1b24191167f1 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -1143,7 +1143,7 @@ static long rxrpc_read(const struct key *key,
 		if (copy_to_user(xdr, (s), _l) != 0)			\
 			goto fault;					\
 		if (_l & 3 &&						\
-		    copy_to_user((u8 *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \
+		    copy_to_user((u8 __user *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \
 			goto fault;					\
 		xdr += (_l + 3) >> 2;					\
 	} while(0)

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