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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-17 13:43:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-17 13:43:55 -0700
commit61f98b0fca802d7e0191072606519e2230a6226d (patch)
tree2f6d5f85ea21042c0299e6204c9a99f3a7172279 /fs/lockd
parentc0d15cc7ee8c0d1970197d9eb1727503bcdd2471 (diff)
parentb2781e1021525649c0b33fffd005ef219da33926 (diff)
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Merge branch 'for-3.11' of git://linux-nfs.org/~bfields/linux
Pull nfsd bugfixes from Bruce Fields: "Just three minor bugfixes" * 'for-3.11' of git://linux-nfs.org/~bfields/linux: svcrdma: underflow issue in decode_write_list() nfsd4: fix minorversion support interface lockd: protect nlm_blocked access in nlmsvc_retry_blocked
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/svclock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 067778b0ccc9..e066a3902973 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -951,6 +951,7 @@ nlmsvc_retry_blocked(void)
unsigned long timeout = MAX_SCHEDULE_TIMEOUT;
struct nlm_block *block;
+ spin_lock(&nlm_blocked_lock);
while (!list_empty(&nlm_blocked) && !kthread_should_stop()) {
block = list_entry(nlm_blocked.next, struct nlm_block, b_list);
@@ -960,6 +961,7 @@ nlmsvc_retry_blocked(void)
timeout = block->b_when - jiffies;
break;
}
+ spin_unlock(&nlm_blocked_lock);
dprintk("nlmsvc_retry_blocked(%p, when=%ld)\n",
block, block->b_when);
@@ -969,7 +971,9 @@ nlmsvc_retry_blocked(void)
retry_deferred_block(block);
} else
nlmsvc_grant_blocked(block);
+ spin_lock(&nlm_blocked_lock);
}
+ spin_unlock(&nlm_blocked_lock);
return timeout;
}