From c3b145a381090f18c4c5f4149e19183343880ec2 Mon Sep 17 00:00:00 2001 From: Michael Kralka Date: Wed, 2 Apr 2008 04:32:17 +0200 Subject: [PATCH] udevd: serialize events if they refer to the same major:minor number --- udevd.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/udevd.c b/udevd.c index 7f32a2aa..82ebd22d 100644 --- a/udevd.c +++ b/udevd.c @@ -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; -- 2.39.5