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atm: nicstar: fix if-statement empty body warning

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When debugging via PRINTK() is not enabled, make the PRINTK()
macro be an empty do-while block.

Thix fixes a gcc warning when -Wextra is set:
../drivers/atm/nicstar.c:1819:23: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]

I have verified that there is no object code change (with gcc 7.5.0).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Chas Williams <3chas3@gmail.com>
Cc: linux-atm-general@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Randy Dunlap 2020-02-27 18:09:44 -08:00 committed by David S. Miller
parent 84b3268027
commit 8a171c5cc9
1 changed files with 1 additions and 1 deletions
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2
drivers/atm/nicstar.c
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@ -91,7 +91,7 @@
#ifdef GENERAL_DEBUG
#define PRINTK(args...) printk(args)
#else
#define PRINTK(args...)
#define PRINTK(args...) do {} while (0)
#endif /* GENERAL_DEBUG */
#ifdef EXTRA_DEBUG