Date: Mon, 26 May 2008 07:40:14 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/iwn if_iwn.c Message-ID: <200805260740.m4Q7eEDb000280@repoman.freebsd.org>
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delphij 2008-05-26 07:40:14 UTC
FreeBSD src repository
Modified files:
sys/dev/iwn if_iwn.c
Log:
We can not call iwn_start directly in the interrupt
context, where the iwn mutex is being held, and
iwn_start assumes that we do not have that mutex held.
Resolve this issue with what we do for other NICs by
splitting the iwn_start procedure into two parts,
iwn_start() do the locking, and iwn_start_locked()
assumes that the mutex is being held. This resolves
panic when WITNESS is enabled.
Revision Changes Path
1.6 +14 -3 src/sys/dev/iwn/if_iwn.c
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