findmnt: avoid unused parameter warning

Reported-by: Bernhard Voelker <mail@bernhard-voelker.de>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/findmnt.c b/misc-utils/findmnt.c
index 85d8b6392ecbf6c7afbee9c53d92b352f4b85b9b..8ccceda96bbc0ad80c42f86146ec151d130faed0 100644 (file)
--- a/misc-utils/findmnt.c
+++ b/misc-utils/findmnt.c
@@ -417,7 +417,11 @@ static char *get_tag_from_udev(const char *devname, int col)
 #endif /* HAVE_LIBUDEV */
 
 /* Returns LABEL or UUID */
-static const char *get_tag(struct libmnt_fs *fs, const char *tagname, int col)
+static const char *get_tag(struct libmnt_fs *fs, const char *tagname, int col
+#ifndef HAVE_LIBUDEV
+               __attribute__((__unused__))
+#endif
+               )
 {
        const char *t, *v, *res = NULL;