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-rw-r--r--include/linux/kfifo.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 6fb495ea956..86ad50a900c 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -235,11 +235,11 @@ static inline __must_check unsigned int kfifo_out_locked(struct kfifo *fifo,
extern void kfifo_skip(struct kfifo *fifo, unsigned int len);
-extern __must_check unsigned int kfifo_from_user(struct kfifo *fifo,
- const void __user *from, unsigned int n);
+extern __must_check int kfifo_from_user(struct kfifo *fifo,
+ const void __user *from, unsigned int n, unsigned *lenout);
-extern __must_check unsigned int kfifo_to_user(struct kfifo *fifo,
- void __user *to, unsigned int n);
+extern __must_check int kfifo_to_user(struct kfifo *fifo,
+ void __user *to, unsigned int n, unsigned *lenout);
/*
* __kfifo_add_out internal helper function for updating the out offset