linux-kernel - [PATCH] staging: media: Replace a bit shift by a use of BIT.

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Date:   Wed, 22 Mar 2017 09:50:28 +0530
From:   Arushi Singhal <arushisinghal19971997@...il.com>
To:     oleg.drokin@...el.com
Cc:     Andreas Dilger <andreas.dilger@...el.com>,
        James Simmons <jsimmons@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, outreachy-kernel@...glegroups.com
Subject: [PATCH] staging: media: Replace a bit shift by a use of BIT.

This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

Signed-off-by: Arushi Singhal <arushisinghal19971997@...il.com>
---
 drivers/staging/octeon/ethernet-tx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index ff4119e8de42..f00186ac4e27 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -381,7 +381,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 	    (ip_hdr(skb)->version == 4) &&
 	    (ip_hdr(skb)->ihl == 5) &&
 	    ((ip_hdr(skb)->frag_off == 0) ||
-	     (ip_hdr(skb)->frag_off == htons(1 << 14))) &&
+	     (ip_hdr(skb)->frag_off == htons(BIT(14)))) &&
 	    ((ip_hdr(skb)->protocol == IPPROTO_TCP) ||
 	     (ip_hdr(skb)->protocol == IPPROTO_UDP))) {
 		/* Use hardware checksum calc */
@@ -613,7 +613,7 @@ int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
 #endif
 		work->word2.s.is_frag = !((ip_hdr(skb)->frag_off == 0) ||
 					  (ip_hdr(skb)->frag_off ==
-					      1 << 14));
+					      BIT(14)));
 #if 0
 		/* Assume Linux is sending a good packet */
 		work->word2.s.IP_exc = 0;
-- 
2.11.0