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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-09-25 15:55:03 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-09-26 09:22:04 -0700
commit255129d1e9ca0ed3d69d5517fae3e03d7ab4b806 (patch)
treee3dedbffebd4f0e15da97684500296c9bc4d3d6a /drivers/char/hpet.c
parentf6a592e8abd2f2394623ce5427cbb4c265495974 (diff)
NLM: Fix a circular lock dependency in lockd
The problem is that the garbage collector for the 'host' structures nlm_gc_hosts(), holds nlm_host_mutex while calling down to nlmsvc_mark_resources, which, eventually takes the file->f_mutex. We cannot therefore call nlmsvc_lookup_host() from within nlmsvc_create_block, since the caller will already hold file->f_mutex, so the attempt to grab nlm_host_mutex may deadlock. Fix the problem by calling nlmsvc_lookup_host() outside the file->f_mutex. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/hpet.c')
0 files changed, 0 insertions, 0 deletions