[PATCH] x86/boot: clean up whitespace in a20.c

[Harry Fellowes]

Remove trailing whitespace and fix blank lines in arch/x86/boot/a20.c
reported by checkpatch.pl.

No functional changes.

Signed-off-by: Harry Fellowes <harryfellowes1@xxxxxxxxx>
---
 arch/x86/boot/a20.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index a2b6b428922a..15bbd4ac55cc 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -135,29 +135,29 @@ int enable_a20(void)
 		  (legacy free, etc.) */
 	       if (a20_test_short())
 		       return 0;
-	       
+
 	       /* Next, try the BIOS (INT 0x15, AX=0x2401) */
 	       enable_a20_bios();
 	       if (a20_test_short())
 		       return 0;
-	       
-	       /* Try enabling A20 through the keyboard controller */
+
+/* Try enabling A20 through the keyboard controller */
 	       kbc_err = empty_8042();
 
 	       if (a20_test_short())
 		       return 0; /* BIOS worked, but with delayed reaction */
-	
-	       if (!kbc_err) {
+
+if (!kbc_err) {
 		       enable_a20_kbc();
 		       if (a20_test_long())
 			       return 0;
 	       }
-	       
-	       /* Finally, try enabling the "fast A20 gate" */
+
+/* Finally, try enabling the "fast A20 gate" */
 	       enable_a20_fast();
 	       if (a20_test_long())
 		       return 0;
        }
-       
-       return -1;
+
+return -1;
 }
-- 
2.51.0