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| author | Jeff Layton <jlayton@redhat.com> | 2010-07-20 00:50:06 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-07-23 16:51:24 +0400 |
| commit | 0cd14a061e32d4ddaadad24d86d06cc860010591 (patch) | |
| tree | db6a42968f9069b17ad64200f7e7cd7c90c303bb /fs/nfsd/nfsctl.c | |
| parent | 78a8d7c8ca3f0cb5cd2a276c6fc17c8c006d0b3c (diff) | |
| download | linux-0cd14a061e32d4ddaadad24d86d06cc860010591.tar.xz | |
nfsd: fix error handling in __write_ports_addxprt
__write_ports_addxprt calls nfsd_create_serv. That increases the
refcount of nfsd_serv (which is tracked in sv_nrthreads). The service
only decrements the thread count on error, not on success like
__write_ports_addfd does, so using this interface leaves the nfsd
thread count high.
Fix this by having this function call svc_destroy() on error to release
the reference (and possibly to tear down the service) and simply
decrement the refcount without tearing down the service on success.
This makes the sv_threads handling work basically the same in both
__write_ports_addxprt and __write_ports_addfd.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfsctl.c')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index af7469efc61c..9e8645a07fca 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1018,6 +1018,9 @@ static ssize_t __write_ports_addxprt(char *buf) PF_INET6, port, SVC_SOCK_ANONYMOUS); if (err < 0 && err != -EAFNOSUPPORT) goto out_close; + + /* Decrease the count, but don't shut down the service */ + nfsd_serv->sv_nrthreads--; return 0; out_close: xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port); @@ -1026,8 +1029,7 @@ out_close: svc_xprt_put(xprt); } out_err: - /* Decrease the count, but don't shut down the service */ - nfsd_serv->sv_nrthreads--; + svc_destroy(nfsd_serv); return err; } |