This patch fixes strange characters in serial console.
Before:
[ 0.448000] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
�[ 0.695000] serial8250: ttyS0 at I/O 0x3f8 (irq = 0) is a 16550A
�[ 0.942000] serial8250: ttyS1 at I/O 0x2f8 (irq = 0) is a 16550A
�[ 1.189000] serial8250: ttyS2 at I/O 0x3e8 (irq = 0) is a 16550A
[ 1.194000] Non-volatile memory driver v1.3
After:
[ 0.541000] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.788000] serial8250: ttyS0 at I/O 0x3f8 (irq = 0) is a 16550A
[ 1.041000] serial8250: ttyS1 at I/O 0x2f8 (irq = 0) is a 16550A
[ 1.294000] serial8250: ttyS2 at I/O 0x3e8 (irq = 0) is a 16550A
[ 1.309000] Non-volatile memory driver v1.3
Signed-off-by: Asias He <asias.hejun@xxxxxxxxx>
---
tools/kvm/term.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/tools/kvm/term.c b/tools/kvm/term.c
index 2a3e1f0..85b41e7 100644
--- a/tools/kvm/term.c
+++ b/tools/kvm/term.c
@@ -5,6 +5,7 @@
#include <unistd.h>
#include <sys/uio.h>
#include <signal.h>
+#include <ctype.h>
#include "kvm/read-write.h"
#include "kvm/term.h"
@@ -57,8 +58,10 @@ int term_putc(int who, char *addr, int cnt)
if (who != active_console)
return -1;
- while (cnt--)
- fprintf(stdout, "%c", *addr++);
+ while (cnt--) {
+ if (isascii(*addr))
+ fprintf(stdout, "%c", *addr++);
+ }
fflush(stdout);
return cnt;
--
1.7.5.4
--
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