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clang: Fix the "expression result unused" warning.

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This commit makes macro function "ASSIGN_CONTAINER()" evaluates
to "(void)0". This is to avoid the 'clang' warning: "expression
result unused", since most of time, the final evaluated value
is not used.

Signed-off-by: Alex Wang <alexw@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Alex Wang
2013-07-22 09:19:57 -07:00
committed by Ben Pfaff
parent 55d2690646
commit 33e191a01b
6 changed files with 13 additions and 13 deletions
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2
lib/classifier.h
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@@ -132,7 +132,7 @@ struct cls_rule *cls_cursor_next(struct cls_cursor *, struct cls_rule *);
for (ASSIGN_CONTAINER(RULE, cls_cursor_first(CURSOR), MEMBER); \
(RULE != OBJECT_CONTAINING(NULL, RULE, MEMBER) \
? ASSIGN_CONTAINER(NEXT, cls_cursor_next(CURSOR, &(RULE)->MEMBER), \
MEMBER) \
MEMBER), 1 \
: 0); \
(RULE) = (NEXT))