staging: dgnc: removes unreachable code

[karo-tx-linux.git] / fs / aio.c

diff --git a/fs/aio.c b/fs/aio.c
index 4f078c054b41608fe3a8ed325c55d59898b049cb..955947ef3e0263590b64162f5888b81822196415 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1021,6 +1021,7 @@ void aio_complete(struct kiocb *iocb, long res, long res2)
 
        /* everything turned out well, dispose of the aiocb. */
        kiocb_free(iocb);
+       put_reqs_available(ctx, 1);
 
        /*
         * We have to order our ring_info tail store above and test
@@ -1062,6 +1063,9 @@ static long aio_read_events_ring(struct kioctx *ctx,
        if (head == tail)
                goto out;
 
+       head %= ctx->nr_events;
+       tail %= ctx->nr_events;
+
        while (ret < nr) {
                long avail;
                struct io_event *ev;
@@ -1100,8 +1104,6 @@ static long aio_read_events_ring(struct kioctx *ctx,
        flush_dcache_page(ctx->ring_pages[0]);
 
        pr_debug("%li  h%u t%u\n", ret, head, tail);
-
-       put_reqs_available(ctx, ret);
 out:
        mutex_unlock(&ctx->ring_lock);