46b348fd2d
alx_reinit has a lockdep assertion that the alx->mtx mutex must be held.
alx_reinit is called from two places: alx_reset and alx_change_mtu.
alx_reset does acquire alx->mtx before calling alx_reinit.
alx_change_mtu does not acquire this mutex, nor do its callers or any
path towards alx_change_mtu.
Acquire the mutex in alx_change_mtu.
The issue was introduced when the fine-grained locking was introduced
to the code to replace the RTNL. The same commit also introduced the
lockdep assertion.
Fixes:
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|---|---|---|
| .. | ||
| Makefile | ||
| alx.h | ||
| ethtool.c | ||
| hw.c | ||
| hw.h | ||
| main.c | ||
| reg.h | ||