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authorMilton Miller <miltonm@bga.com>2005-07-08 04:56:26 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-08 05:23:40 +0400
commit70b234a40107596a713e9981c643f2717e31463f (patch)
treee7f0d4382c32b61efd671c051095535767288a30 /arch/ppc64
parent030ffad23fb28fc29608a3bc21f0c3b88bf28592 (diff)
downloadlinux-70b234a40107596a713e9981c643f2717e31463f.tar.xz
[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>
Diffstat (limited to 'arch/ppc64')
-rw-r--r--arch/ppc64/kernel/hvconsole.c19
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