diff options
| -rw-r--r-- | tools/xenmon/xenbaked.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/xenmon/xenbaked.c b/tools/xenmon/xenbaked.c index 876be1d68e..41db7def3a 100644 --- a/tools/xenmon/xenbaked.c +++ b/tools/xenmon/xenbaked.c @@ -677,7 +677,10 @@ void alloc_qos_data(int ncpu) for (n=0; n<ncpu; n++) { for (i=0; i<sizeof(_new_qos_data); i=i+pgsize) - write(qos_fd, dummy, pgsize); + if ((write(qos_fd, dummy, pgsize)) != pgsize) { + PERROR(SHARED_MEM_FILE); + exit(2); + } new_qos = (_new_qos_data *) mmap(0, sizeof(_new_qos_data), PROT_READ|PROT_WRITE, MAP_SHARED, qos_fd, off); |