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udevd: serialize events if they refer to the same major:minor number

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Michael Kralka 2008-04-02 04:32:17 +02:00 committed by Kay Sievers
parent bdfcd07587
commit c3b145a381
1 changed files with 18 additions and 2 deletions
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20
udevd.c
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@ -479,12 +479,20 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit)
return 3;
}
/* check for our major:minor number */
if (msg->devt && loop_msg->devt == msg->devt &&
strcmp(msg->subsystem, loop_msg->subsystem) == 0) {
dbg("%llu, device event still pending %llu (%d:%d)", msg->seqnum,
loop_msg->seqnum, major(loop_msg->devt), minor(loop_msg->devt));
return 4;
}
/* check physical device event (special case of parent) */
if (msg->physdevpath && msg->action && strcmp(msg->action, "add") == 0)
if (compare_devpath(loop_msg->devpath, msg->physdevpath) != 0) {
dbg("%llu, physical device event still pending %llu (%s)",
msg->seqnum, loop_msg->seqnum, loop_msg->devpath);
return 4;
return 5;
}
}
@ -507,12 +515,20 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit)
return 3;
}
/* check for our major:minor number */
if (msg->devt && loop_msg->devt == msg->devt &&
strcmp(msg->subsystem, loop_msg->subsystem) == 0) {
dbg("%llu, device event still running %llu (%d:%d)", msg->seqnum,
loop_msg->seqnum, major(loop_msg->devt), minor(loop_msg->devt));
return 4;
}
/* check physical device event (special case of parent) */
if (msg->physdevpath && msg->action && strcmp(msg->action, "add") == 0)
if (compare_devpath(loop_msg->devpath, msg->physdevpath) != 0) {
dbg("%llu, physical device event still running %llu (%s)",
msg->seqnum, loop_msg->seqnum, loop_msg->devpath);
return 4;
return 5;
}
}
return 0;