Mark the return value from fcntl() as unused to avoid compiler
warnings.
Found by coverity.

Signed-off-by: Hannes Reinecke <[email protected]>
---
 libmultipath/checkers/directio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libmultipath/checkers/directio.c b/libmultipath/checkers/directio.c
index 46fe6a7..94bf8f7 100644
--- a/libmultipath/checkers/directio.c
+++ b/libmultipath/checkers/directio.c
@@ -104,9 +104,11 @@ void libcheck_free (struct checker * c)
 
        if (ct->reset_flags) {
                if ((flags = fcntl(c->fd, F_GETFL)) >= 0) {
+                       int ret __attribute__ ((unused));
+
                        flags &= ~O_DIRECT;
                        /* No point in checking for errors */
-                       fcntl(c->fd, F_SETFL, flags);
+                       ret = fcntl(c->fd, F_SETFL, flags);
                }
        }
 
-- 
2.6.6

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