kernel/linux.git/ipc/mqueue.c, branch linux-2.6.16.y

[NETLINK]: Fix unicast timeouts

2007-11-13T11:23:22+00:00

[ Upstream commit: c3d8d1e30cace31fed6186a4b8c6b1401836d89c ] Commit ed6dcf4a in the history.git tree broke netlink_unicast timeouts by moving the schedule_timeout() call to a new function that doesn't propagate the remaining timeout back to the caller. This means on each retry we start with the full timeout again. ipc/mqueue.c seems to actually want to wait indefinitely so this behaviour is retained. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller Signed-off-by: Adrian Bunk

[NETLINK]: Fix a severe bug

2006-02-10T00:43:38+00:00

netlink overrun was broken while improvement of netlink. Destination socket is used in the place where it was meant to be source socket, so that now overrun is never sent to user netlink sockets, when it should be, and it even can be set on kernel socket, which results in complete deadlock of rtnetlink. Suggested fix is to restore status quo passing source socket as additional argument to netlink_attachskb(). A little explanation: overrun is set on a socket, when it failed to receive some message and sender of this messages does not or even have no way to handle this error. This happens in two cases: 1. when kernel sends something. Kernel never retransmits and cannot wait for buffer space. 2. when user sends a broadcast and the message was not delivered to some recipients. Signed-off-by: Alexey Kuznetsov Signed-off-by: David S. Miller

[PATCH] Fix double decrement of mqueue_mnt->mnt_count in sys_mq_open

2006-01-14T20:38:17+00:00

Fixed the refcounting on failure exits in sys_mq_open() and cleaned the logics up. Rules are actually pretty simple - dentry_open() expects vfsmount and dentry to be pinned down and it either transfers them into created struct file or drops them. Old code had been very confused in that area - if dentry_open() had failed either in do_open() or do_create(), we ended up dentry and mqueue_mnt dropped twice, once by dentry_open() cleanup and then by sys_mq_open(). Fix consists of making the rules for do_create() and do_open() same as for dentry_open() and updating the sys_mq_open() accordingly; that actually leads to more straightforward code and less work on normal path. Signed-off-by: Al Viro Signed-off-by: Linus Torvalds

[PATCH] move capable() to capability.h

2006-01-12T02:42:13+00:00

- Move capable() from sched.h to capability.h; - Use where capable() is used (in include/, block/, ipc/, kernel/, a few drivers/, mm/, security/, & sound/; many more drivers/ to go) Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

2006-01-09T23:59:24+00:00

This patch converts the inode semaphore to a mutex. I have tested it on XFS and compiled as much as one can consider on an ia64. Anyway your luck with it might be different. Modified-by: Ingo Molnar (finished the conversion) Signed-off-by: Jes Sorensen Signed-off-by: Ingo Molnar

Update Michal Wronski contact info

2005-11-06T20:31:54+00:00

[PATCH] Make POSIX message queue sys_mq_open() honor umask

2005-09-27T20:30:45+00:00

We ignored umask when creating new queues via mq_open (when creating with open() on mqueue fs it is ok of course). According to the specification this a bug. This trivial patch fixes this. Signed-off-by: Krzysztof Benedyczak Signed-off-by: Linus Torvalds

[PATCH] merge some from Rusty's trivial patches

2005-09-10T17:06:30+00:00

This patch contains the most trivial from Rusty's trivial patches: - spelling fixes - remove duplicate includes Signed-off-by: Adrian Bunk Cc: Rusty Russell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] convert that currently tests _NSIG directly to use valid_signal()

2005-05-01T15:59:14+00:00

Convert most of the current code that uses _NSIG directly to instead use valid_signal(). This avoids gcc -W warnings and off-by-one errors. Signed-off-by: Jesper Juhl Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

[PATCH] use smp_mb/wmb/rmb where possible

2005-05-01T15:58:47+00:00

Replace a number of memory barriers with smp_ variants. This means we won't take the unnecessary hit on UP machines. Signed-off-by: Anton Blanchard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds