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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>
This commit is contained in:
Floris Bos 2012-03-12 21:05:10 +01:00 committed by Kevin Wolf
parent 27e0c9a1bb
commit aa2c91bdfe
2 changed files with 4 additions and 3 deletions
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5
blockdev.c
View File

@ -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);

2
hw/ide/core.c
View File

@ -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);