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block: Fix serial number assignment

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We should use 'dinfo->serial' length, 'serial' is a pointer, so
the serial number length is currently limited to the pointer size.

This fixes https://bugs.launchpad.net/qemu/+bug/584143 and is also
valid for stable.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Luiz Capitulino 2010-06-02 17:46:31 -03:00 committed by Kevin Wolf
parent 666daa6823
commit 653dbec7c9
1 changed files with 1 additions and 1 deletions
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2
blockdev.c
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@ -422,7 +422,7 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
dinfo->on_write_error = on_write_error;
dinfo->opts = opts;
if (serial)
strncpy(dinfo->serial, serial, sizeof(serial));
strncpy(dinfo->serial, serial, sizeof(dinfo->serial) - 1);
QTAILQ_INSERT_TAIL(&drives, dinfo, next);
switch(type) {