netdev - [PATCH net-next] csum: eliminate sparse warning in remcsum

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Message-Id: <1484770496-3401-1-git-send-email-lrichard@redhat.com>
Date:   Wed, 18 Jan 2017 15:14:56 -0500
From:   Lance Richardson <lrichard@...hat.com>
To:     netdev@...r.kernel.org
Subject: [PATCH net-next] csum: eliminate sparse warning in remcsum_unadjust()

Cast second parameter of csum_sub() from __sum16 to __wsum.

Signed-off-by: Lance Richardson <lrichard@...hat.com>
---
 include/net/checksum.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/checksum.h b/include/net/checksum.h
index 35d0fab..aef2b2b 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -179,7 +179,7 @@ static inline __wsum remcsum_adjust(void *ptr, __wsum csum,
 
 static inline void remcsum_unadjust(__sum16 *psum, __wsum delta)
 {
-	*psum = csum_fold(csum_sub(delta, *psum));
+	*psum = csum_fold(csum_sub(delta, (__force __wsum)*psum));
 }
 
 #endif
-- 
2.5.5