[patch] drm/nouveau/gem: silence uninitialized variable warning

[Dan Carpenter]

The static checker checker is warning that we could hit the first
continue; on every iteration through the loop and never initialize
"ret".  It seems unlikely but we may as well silence the warning.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c 
b/drivers/gpu/drm/nouveau/nouveau_gem.c
index a0865c4..fd36b24 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -370,7 +370,8 @@ validate_init(struct nouveau_channel *chan, struct drm_file 
*file_priv,
        struct nouveau_cli *cli = nouveau_cli(file_priv);
        struct drm_device *dev = chan->drm->dev;
        int trycnt = 0;
-       int ret, i;
+       int ret = -ENOENT;
+       int i;
        struct nouveau_bo *res_bo = NULL;
        LIST_HEAD(gart_list);
        LIST_HEAD(vram_list);