1 files changed, 6 insertions, 6 deletions

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 4b0a226024fa..8d0c0df01854 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -118,18 +118,18 @@ static unsigned int eventfd_poll(struct file *file, poll_table *wait)
 {
         struct eventfd_ctx *ctx = file->private_data;
         unsigned int events = 0;
-        unsigned long flags;
+        u64 count;
 
         poll_wait(file, &ctx->wqh, wait);
+        smp_rmb();
+        count = ctx->count;
 
-        spin_lock_irqsave(&ctx->wqh.lock, flags);
-        if (ctx->count > 0)
+        if (count > 0)
                 events |= POLLIN;
-        if (ctx->count == ULLONG_MAX)
+        if (count == ULLONG_MAX)
                 events |= POLLERR;
-        if (ULLONG_MAX - 1 > ctx->count)
+        if (ULLONG_MAX - 1 > count)
                 events |= POLLOUT;
-        spin_unlock_irqrestore(&ctx->wqh.lock, flags);
 
         return events;
 }