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build: mark conditionally unused variables

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These fixes solve a compilation failure on FreeBSD:

util/virnetdevtap.c: In function 'virNetDevTapGetName':
util/virnetdevtap.c:56: warning: unused parameter 'tapfd' [-Wunused-parameter]
util/virnetdevtap.c:56: warning: unused parameter 'ifname' [-Wunused-parameter]

* src/util/virnetdevtap.c (virNetDevTapGetName): Add attributes
when TUNGETIFF is not present.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2013-04-30 08:21:26 -06:00
parent ce284bb56d
commit b376dea91f
1 changed files with 1 additions and 1 deletions
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2
src/util/virnetdevtap.c
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@ -53,7 +53,7 @@
* Returns 0 if the interface name is successfully queried, -1 otherwise * Returns 0 if the interface name is successfully queried, -1 otherwise
*/ */
int int
virNetDevTapGetName(int tapfd, char **ifname) virNetDevTapGetName(int tapfd ATTRIBUTE_UNUSED, char **ifname ATTRIBUTE_UNUSED)
{ {
#ifdef TUNGETIFF #ifdef TUNGETIFF
struct ifreq ifr; struct ifreq ifr;