kfifo: change kfifo_init to work with a preallocated fifo

kfifo currently only works with dynamically allocated fifos.
Change the currently unused kfifo_init to take a preallocated
fifo. This allows for statically initialized fifos.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/kfifo.h b/include/kfifo.h
index 3eb03cb17c..2987e0b1e2 100644
--- a/include/kfifo.h
+++ b/include/kfifo.h
@@ -28,7 +28,7 @@ struct kfifo {
 	unsigned int out;	/* data is extracted from off. (out % size) */
 };
 
-struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size);
+void kfifo_init(struct kfifo *fifo, unsigned char *buffer, unsigned int size);
 struct kfifo *kfifo_alloc(unsigned int size);
 void kfifo_free(struct kfifo *fifo);