From: Lance Richardson <lrichard@redhat.com>
Date: Wed, 18 Jan 2017 20:14:56 +0000 (-0500)
Subject: csum: eliminate sparse warning in remcsum_unadjust()
X-Git-Tag: MMI-PSA29.97-13-9~6152^2~365
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=22fbece133b71895ca6bb66890b2d9b1ddaa908c;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

csum: eliminate sparse warning in remcsum_unadjust()

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

Signed-off-by: Lance Richardson <lrichard@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/checksum.h b/include/net/checksum.h
index 35d0fabd2782..aef2b2bb6603 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