fwserial: (coding style) useless "extern" & space

Style-only modifications to make checkpatch.pl --file --strict a bit happier.
Removed useless "extern" in dma_fifo.h ;
Removed one supernumerary space.
Signed-off-by: Dominique van den Broeck <domdevlin@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fwserial/dma_fifo.h

@@ -85,15 +85,15 @@ static inline bool dp_is_completed(struct dma_pending *dp)
 	return (unsigned long)dp->data & 1UL;
 }
 
-extern void dma_fifo_init(struct dma_fifo *fifo);
-extern int dma_fifo_alloc(struct dma_fifo *fifo, int size, unsigned align,
-			  int tx_limit, int open_limit, gfp_t gfp_mask);
-extern void dma_fifo_free(struct dma_fifo *fifo);
-extern void dma_fifo_reset(struct dma_fifo *fifo);
-extern int dma_fifo_in(struct dma_fifo *fifo, const void *src, int n);
-extern int dma_fifo_out_pend(struct dma_fifo *fifo, struct dma_pending *pended);
-extern int dma_fifo_out_complete(struct dma_fifo *fifo,
-				 struct dma_pending *complete);
+void dma_fifo_init(struct dma_fifo *fifo);
+int dma_fifo_alloc(struct dma_fifo *fifo, int size, unsigned align,
+		   int tx_limit, int open_limit, gfp_t gfp_mask);
+void dma_fifo_free(struct dma_fifo *fifo);
+void dma_fifo_reset(struct dma_fifo *fifo);
+int dma_fifo_in(struct dma_fifo *fifo, const void *src, int n);
+int dma_fifo_out_pend(struct dma_fifo *fifo, struct dma_pending *pended);
+int dma_fifo_out_complete(struct dma_fifo *fifo,
+			  struct dma_pending *complete);
 
 /* returns the # of used bytes in the fifo */
 static inline int dma_fifo_level(struct dma_fifo *fifo)

drivers/staging/fwserial/fwserial.c

@@ -1820,7 +1820,7 @@ static void fwserial_release_port(struct fwtty_port *port, bool reset)
 
 static void fwserial_plug_timeout(unsigned long data)
 {
-	struct fwtty_peer *peer = (struct fwtty_peer *) data;
+	struct fwtty_peer *peer = (struct fwtty_peer *)data;
 	struct fwtty_port *port;
 
 	spin_lock_bh(&peer->lock);