[PATCH] hvc_console: Separate the NUL character filtering from get_hvc_chars

Separate the NUL character filtering from get_hvc_chars.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 17 deletions

diff --git a/arch/ppc64/kernel/hvconsole.c b/arch/ppc64/kernel/hvconsole.c
index 9d8876d92eb9..138e128a3886 100644
--- a/arch/ppc64/kernel/hvconsole.c
+++ b/arch/ppc64/kernel/hvconsole.c
@@ -41,29 +41,14 @@ int hvc_get_chars(uint32_t vtermno, char *buf, int count)
         unsigned long got;
 
         if (plpar_hcall(H_GET_TERM_CHAR, vtermno, 0, 0, 0, &got,
-                (unsigned long *)buf, (unsigned long *)buf+1) == H_Success) {
-                /*
-                 * Work around a HV bug where it gives us a null
-                 * after every \r.  -- paulus
-                 */
-                if (got > 0) {
-                        int i;
-                        for (i = 1; i < got; ++i) {
-                                if (buf[i] == 0 && buf[i-1] == '\r') {
-                                        --got;
-                                        if (i < got)
-                                                memmove(&buf[i], &buf[i+1],
-                                                        got - i);
-                                }
-                        }
-                }
+                (unsigned long *)buf, (unsigned long *)buf+1) == H_Success)
                 return got;
-        }
         return 0;
 }
 
 EXPORT_SYMBOL(hvc_get_chars);
 
+
 /**
  * hvc_put_chars: send characters to firmware for denoted vterm adapter
  * @vtermno: The vtermno or unit_address of the adapter from which the data