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Diffstat (limited to 'rumpdisk/block-rump.c')
| -rw-r--r-- | rumpdisk/block-rump.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/rumpdisk/block-rump.c b/rumpdisk/block-rump.c index 224e4e5b..5477d886 100644 --- a/rumpdisk/block-rump.c +++ b/rumpdisk/block-rump.c @@ -326,6 +326,9 @@ rumpdisk_device_read (void *d, mach_port_t reply_port, if (ret != KERN_SUCCESS) return ENOMEM; + /* Ensure physical allocation. */ + memset (buf, 0, npages * pagesize); + err = rump_sys_pread (bd->rump_fd, (void *)buf, (size_t)count, (off_t)bn * bd->block_size); if (err < 0) { |