more low-hanging fruits - kernel, fs, lib signedness

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c
index 67176af..283c572 100644
--- a/fs/smbfs/smbiod.c
+++ b/fs/smbfs/smbiod.c
@@ -45,7 +45,7 @@
 static DEFINE_SPINLOCK(servers_lock);
 
 #define SMBIOD_DATA_READY	(1<<0)
-static long smbiod_flags;
+static unsigned long smbiod_flags;
 
 static int smbiod(void *);
 static int smbiod_start(void);