fbdev: nv: fix sparse noise

Mostly signedness fixes.  nv10_sim_state existence in both drivers suggests
that one of them should be removed, but that's for later.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Antonino A. Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/riva/nv_driver.c b/drivers/video/riva/nv_driver.c
index a1181149da74..f3694cf17e58 100644
--- a/drivers/video/riva/nv_driver.c
+++ b/drivers/video/riva/nv_driver.c
@@ -158,7 +158,7 @@ unsigned long riva_get_memlen(struct riva_par *par)
         unsigned long memlen = 0;
         unsigned int chipset = par->Chipset;
         struct pci_dev* dev;
-        int amt;
+        u32 amt;
 
         switch (chip->Architecture) {
         case NV_ARCH_03: