Re: [Qemu-devel] [PATCH] s390-ccw: print carriage return with new lines

[Farhan Ali]

On 10/20/2017 07:02 AM, Christian Borntraeger wrote:

--- a/pc-bios/s390-ccw/sclp.c
+++ b/pc-bios/s390-ccw/sclp.c
@@ -83,7 +83,7 @@ long write(int fd, const void *str, size_t len)
         return -EIO;
     }

-    for (p = str; *p; ++p) {
+    for (p = str; len ; ++p, len--) {
         if (data_len > SCCB_DATA_LEN - 1) {
             return -EFBIG;
         }

The write function returns len, wouldn't this change make write return 0?