From 8305e579c653b127b292fcdce551e930f9560260 Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 6 Feb 2018 06:26:30 +0000 Subject: [PATCH] afs: Need to clear responded flag in addr cursor In afs_select_fileserver(), we need to clear the ->responded flag in the address list when reusing it. We should also clear it in afs_select_current_fileserver(). To this end, just memset() the object before initialising it. Fixes: d2ddc776a458 ("afs: Overhaul volume and server record caching and fileserver rotation") Signed-off-by: David Howells cc: stable@vger.kernel.org --- fs/afs/rotate.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c index b473b25c6978..892a4904fd77 100644 --- a/fs/afs/rotate.c +++ b/fs/afs/rotate.c @@ -384,6 +384,7 @@ use_server: afs_get_addrlist(alist); read_unlock(&server->fs_lock); + memset(&fc->ac, 0, sizeof(fc->ac)); /* Probe the current fileserver if we haven't done so yet. */ if (!test_bit(AFS_SERVER_FL_PROBED, &server->flags)) { @@ -398,11 +399,8 @@ use_server: else afs_put_addrlist(alist); - fc->ac.addr = NULL; fc->ac.start = READ_ONCE(alist->index); fc->ac.index = fc->ac.start; - fc->ac.error = 0; - fc->ac.begun = false; goto iterate_address; iterate_address: @@ -458,12 +456,10 @@ bool afs_select_current_fileserver(struct afs_fs_cursor *fc) return false; } + memset(&fc->ac, 0, sizeof(fc->ac)); fc->ac.alist = alist; - fc->ac.addr = NULL; fc->ac.start = READ_ONCE(alist->index); fc->ac.index = fc->ac.start; - fc->ac.error = 0; - fc->ac.begun = false; goto iterate_address; case 0: -- 2.20.1