linux-kernel - [PATCH] atm: eni: Move semicolon to a new line after empty for loop

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Message-Id: <20181017180334.8640-1-natechancellor@gmail.com>
Date:   Wed, 17 Oct 2018 11:03:34 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Chas Williams <3chas3@...il.com>
Cc:     linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH] atm: eni: Move semicolon to a new line after empty for loop

Clang warns:

drivers/atm/eni.c:244:48: error: for loop has empty body
[-Werror,-Wempty-body]
        for (order = 0; (1 << order) < *size; order++);
                                                      ^
drivers/atm/eni.c:244:48: note: put the semicolon on a separate line to
silence this warning

In this case, that loop is expected to be empty so silence the warning
in the way that Clang suggests.

Link: https://github.com/ClangBuiltLinux/linux/issues/42
Suggested-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
---
 drivers/atm/eni.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 6470e3c4c990..f8c703426c90 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -241,7 +241,8 @@ static void __iomem *eni_alloc_mem(struct eni_dev *eni_dev, unsigned long *size)
 	len = eni_dev->free_len;
 	if (*size < MID_MIN_BUF_SIZE) *size = MID_MIN_BUF_SIZE;
 	if (*size > MID_MAX_BUF_SIZE) return NULL;
-	for (order = 0; (1 << order) < *size; order++);
+	for (order = 0; (1 << order) < *size; order++)
+		;
 	DPRINTK("trying: %ld->%d\n",*size,order);
 	best_order = 65; /* we don't have more than 2^64 of anything ... */
 	index = 0; /* silence GCC */
-- 
2.19.1