nfsd: add get_uint for u32's

I don't think there's a practical difference for the range of values
these interfaces should see, but it would be safer to be unambiguous.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index af42596a82f9..f792794f6634 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -230,6 +230,22 @@ static inline int get_int(char **bpp, int *anint)
         return 0;
 }
 
+static inline int get_uint(char **bpp, unsigned int *anint)
+{
+        char buf[50];
+        int len = qword_get(bpp, buf, sizeof(buf));
+
+        if (len < 0)
+                return -EINVAL;
+        if (len == 0)
+                return -ENOENT;
+
+        if (kstrtouint(buf, 0, anint))
+                return -EINVAL;
+
+        return 0;
+}
+
 /*
  * timestamps kept in the cache are expressed in seconds
  * since boot.  This is the best for measuring differences in