From: Floris Bos <bos@je-eigen-domein.nl>
Date: Mon, 12 Mar 2012 20:05:10 +0000 (+0100)
Subject: ide: Change serial number strncpy() to pstrcpy()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=aa2c91bdfebbfa314e9522573a9656626e21ac67;p=qemu.git

ide: Change serial number strncpy() to pstrcpy()

strncpy may not null-terminate the destination string.

Cc: kwolf@redhat.com
Signed-off-by: Floris Bos <dev@noc-ps.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---

diff --git a/blockdev.c b/blockdev.c
index 1a500b830d..f5e7dba90c 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -532,8 +532,9 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi)
     dinfo->unit = unit_id;
     dinfo->opts = opts;
     dinfo->refcount = 1;
-    if (serial)
-        strncpy(dinfo->serial, serial, sizeof(dinfo->serial) - 1);
+    if (serial) {
+        pstrcpy(dinfo->serial, sizeof(dinfo->serial), serial);
+    }
     QTAILQ_INSERT_TAIL(&drives, dinfo, next);
 
     bdrv_set_on_error(dinfo->bdrv, on_read_error, on_write_error);
diff --git a/hw/ide/core.c b/hw/ide/core.c
index e38cace45b..5647694585 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1879,7 +1879,7 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
         }
     }
     if (serial) {
-        strncpy(s->drive_serial_str, serial, sizeof(s->drive_serial_str));
+        pstrcpy(s->drive_serial_str, sizeof(s->drive_serial_str), serial);
     } else {
         snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
                  "QM%05d", s->drive_serial);