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| author | J. Bruce Fields <bfields@redhat.com> | 2010-08-06 15:48:03 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-08-06 17:05:40 -0400 |
| commit | e844a7b9805a2b74cfd34c8604f5bba3e0869305 (patch) | |
| tree | f0270f65da19a0f6ebc50787dd9edce6a8def9d3 /fs/nfsd | |
| parent | e2aa7f8304b3b5656ded8699216cc65138d03b64 (diff) | |
| download | linux-stable-e844a7b9805a2b74cfd34c8604f5bba3e0869305.tar.gz linux-stable-e844a7b9805a2b74cfd34c8604f5bba3e0869305.tar.bz2 linux-stable-e844a7b9805a2b74cfd34c8604f5bba3e0869305.zip | |
nfsd: initialize nfsd versions before creating svc
Commit 59db4a0c102e0de226a3395dbf25ea51bf845937 "nfsd: move more into
nfsd_startup()" inadvertently moved nfsd_versions after
nfsd_create_svc(). On older distributions using an rpc.nfsd that does
not explicitly set the list of nfsd versions, this results in
svc-create_pooled() being called with an empty versions array. The
resulting incomplete initialization leads to a NULL dereference in
svc_process_common() the first time a client accesses the server.
Move nfsd_reset_versions() back before the svc_create_pooled(); this
time, put it closer to the svc_create_pooled() call, to make this
mistake more difficult in the future.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfssvc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 39ced4a52c5f..e2c43464f237 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -224,7 +224,6 @@ static int nfsd_startup(unsigned short port, int nrservs) ret = nfs4_state_start(); if (ret) goto out_lockd; - nfsd_reset_versions(); nfsd_up = true; return 0; out_lockd: @@ -329,6 +328,7 @@ int nfsd_create_serv(void) nfsd_max_blksize >= 8*1024*2) nfsd_max_blksize /= 2; } + nfsd_reset_versions(); nfsd_serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize, nfsd_last_thread, nfsd, THIS_MODULE); |