931027820e
Bernard reported that trying to unload rose module would lead
to infamous messages:
unregistered_netdevice: waiting for rose0 to become free. Usage count = xx
This patch solves the issue, by making sure each socket referring to
a netdevice holds a reference count on it, and properly releases it
in rose_release().
rose_dev_first() is also fixed to take a device reference
before leaving the rcu_read_locked section.
Following patch will add ref_tracker annotations to ease
future bug hunting.
Fixes:
|
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|---|---|---|
| .. | ||
| af_rose.c | ||
| Makefile | ||
| rose_dev.c | ||
| rose_in.c | ||
| rose_link.c | ||
| rose_loopback.c | ||
| rose_out.c | ||
| rose_route.c | ||
| rose_subr.c | ||
| rose_timer.c | ||
| sysctl_net_rose.c | ||