[kvm-unit-tests PATCH 1/2] chr-testdev: Remove unused in_vq

[Yosry Ahmed <yosry@kernel.org>]

in_vq is assigned in chr_testdev_init() from vqs[0], but kvm-unit-tests
only writes to the character device via out_vq and never consumes input
from the host. Clang 24 warns on this with -Wunused-but-set-global:

  lib/chr-testdev.c:15:26: error: variable 'in_vq' set but not used
  [-Werror,-Wunused-but-set-global]

Remove the unused variable.

Fixes: b412ad0d39a1 ("Introduce chr-testdev")
Co-developed-by: Greg Thelen <gthelen@google.com>
Signed-off-by: Greg Thelen <gthelen@google.com>
Signed-off-by: Yosry Ahmed <yosry@kernel.org>
---
 lib/chr-testdev.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/chr-testdev.c b/lib/chr-testdev.c
index b3c641a833feb..c23fd92a46308 100644
--- a/lib/chr-testdev.c
+++ b/lib/chr-testdev.c
@@ -12,7 +12,7 @@
 #define TESTDEV_NAME "chr-testdev"
 
 static struct virtio_device *vcon;
-static struct virtqueue *in_vq, *out_vq;
+static struct virtqueue *out_vq;
 static struct spinlock lock;
 
 static void __testdev_send(char *buf, unsigned int len)
@@ -65,6 +65,5 @@ void chr_testdev_init(void)
 		return;
 	}
 
-	in_vq = vqs[0];
 	out_vq = vqs[1];
 }
-- 
2.56.0.257.gf7497c7d27-goog