diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2012-08-24 13:00:14 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2012-08-24 13:00:14 +0200 |
| commit | d404e9e9f8250f740bacb0b30d586ea1ad808015 (patch) | |
| tree | f8e93250684eda8555479962b7ae9e14e79663fc /lib | |
| parent | 80a5bfc1d812618d4f6a16eb29026f412df7b56c (diff) | |
| download | plan9front-d404e9e9f8250f740bacb0b30d586ea1ad808015.tar.xz | |
devmnt: more carefull wakeup in mountmux
once we set q->done = 1 in mountmux, the sleeper might return freeing q
so the wakeup might access invalid memory. we change the embedded Rendez
structure in the Mntrpc into a pointer to the sleeping procs up->sleep
rendez so the rendez is always going to be valid even if the rpc has been
freed.
the call to mntstats was moved before we set q->done also to prevent
accessing invalid memory.
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions