[PATCH v3 12/12] kvm tools: Return number of bytes written by term_putc

[Andreas Herrmann]

No caller is currently using the return value but better return
number of bytes written instead of 0 in case of an error.

Cc: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com>
Signed-off-by: Andreas Herrmann <andreas.herrm...@caviumnetworks.com>
---
 tools/kvm/term.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/kvm/term.c b/tools/kvm/term.c
index b153eed..1b8131a 100644
--- a/tools/kvm/term.c
+++ b/tools/kvm/term.c
@@ -57,7 +57,7 @@ int term_putc(char *addr, int cnt, int term)
        while (num_remaining) {
                ret = write(term_fds[term][TERM_FD_OUT], addr, num_remaining);
                if (ret < 0)
-                       return 0;
+                       return cnt - num_remaining;
                num_remaining -= ret;
                addr += ret;
        }
-- 
1.7.9.5

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