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 35d0fab..aef2b2b 100644 (file)
--- 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