libmount: add missing assert()

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libmount/src/context_loopdev.c b/libmount/src/context_loopdev.c
index f4525b3adac2d25a13710dc97b6851f13d51309e..632a528be6610a7c1ccf02fb953626d25d81212a 100644 (file)
--- a/libmount/src/context_loopdev.c
+++ b/libmount/src/context_loopdev.c
@@ -143,6 +143,7 @@ int mnt_context_setup_loopdev(struct libmnt_context *cxt)
        int rc = 0, lo_flags = 0;
        uint64_t offset = 0, sizelimit = 0;
 
+       assert(cxt);
        assert(cxt->fs);
        assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));