NFSD: Decrease nfsd_users in nfsd_startup_generic fail
A memory allocation failure could cause nfsd_startup_generic to fail, in
which case nfsd_users wouldn't be incorrectly left elevated.
After nfsd restarts nfsd_startup_generic will then succeed without doing
anything--the first consequence is likely nfs4_start_net finding a bad
laundry_wq and crashing.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Fixes: 4539f14981
"nfsd: replace boolean nfsd_up flag by users counter"
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
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@ -221,7 +221,8 @@ static int nfsd_startup_generic(int nrservs)
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*/
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ret = nfsd_racache_init(2*nrservs);
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if (ret)
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return ret;
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goto dec_users;
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ret = nfs4_state_start();
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if (ret)
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goto out_racache;
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@ -229,6 +230,8 @@ static int nfsd_startup_generic(int nrservs)
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out_racache:
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nfsd_racache_shutdown();
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dec_users:
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nfsd_users--;
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return ret;
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}
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