orangefs: avoid freeing a slot twice in wait_for_direct_io()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index d865b58..40b3805 100644 (file)
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -210,6 +210,7 @@ populate_shared_memory:
         */
        if (ret == -EAGAIN && op_state_purged(new_op)) {
                orangefs_bufmap_put(bufmap, buffer_index);
+               buffer_index = -1;
                gossip_debug(GOSSIP_FILE_DEBUG,
                             "%s:going to repopulate_shared_memory.\n",
                             __func__);