From: Artemiy Volkov <artemiyv@acm.org>
Date: Fri, 12 Sep 2014 16:31:33 +0000 (+1000)
Subject: staging: lustre: Fix address space mismatch in ksocknal_recv_iov()
X-Git-Tag: firefly_0821_release~176^2~3121^2~444
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2101f98caf8246cbf6b7ad40a585c017379c389e;p=firefly-linux-kernel-4.4.55.git

staging: lustre: Fix address space mismatch in ksocknal_recv_iov()

This patch fixes the following sparse warnings:

drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c:284:51: warning:
	cast removes address space of expression
drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c:284:39: warning:
	incorrect type in assignment (different address spaces)
drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c:284:39:    expected
	void [noderef] <asn:1>*iov_base
drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c:284:39:    got
	void *<noident>

by simplifying an expression containing non-__user-attributed type names.

Signed-off-by: Artemiy Volkov <artemiyv@acm.org>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index 34c6abd11e35..bcfee7c21942 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -281,7 +281,7 @@ ksocknal_recv_iov (ksock_conn_t *conn)
 
 		if (nob < (int)iov->iov_len) {
 			iov->iov_len -= nob;
-			iov->iov_base = (void *)((char *)iov->iov_base + nob);
+			iov->iov_base += nob;
 			return -EAGAIN;
 		}