block/rbd: Remove unused local variable

Variable 'snap' is assigned a value that is never used.
Remove snap and the related code.

Cc: Christian Brunner <chb@muc.de>
Cc: Josh Durgin <josh.durgin@dreamhost.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Reviewed-by: Josh Durgin <josh.durgin@dreamhost.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/rbd.c b/block/rbd.c
index bdc448a..d5659cd 100644 (file)
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -227,7 +227,6 @@ static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options)
     char name[RBD_MAX_IMAGE_NAME_SIZE];
     char snap_buf[RBD_MAX_SNAP_NAME_SIZE];
     char conf[RBD_MAX_CONF_SIZE];
-    char *snap = NULL;
     rados_t cluster;
     rados_ioctx_t io_ctx;
     int ret;
@@ -238,9 +237,6 @@ static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options)
                            conf, sizeof(conf)) < 0) {
         return -EINVAL;
     }
-    if (snap_buf[0] != '\0') {
-        snap = snap_buf;
-    }
 
     /* Read out options */
     while (options && options->name) {