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authorDavid Howells <dhowells@redhat.com>2018-02-06 06:26:30 +0000
committerDavid Howells <dhowells@redhat.com>2018-02-06 14:36:54 +0000
commit8305e579c653b127b292fcdce551e930f9560260 (patch)
tree16fba71ed0e66a45aca2b7c2dc51ab56281c12f2 /fs
parentfe4d774c847398c2a45c10a780ccfde069840793 (diff)
downloadlinux-8305e579c653b127b292fcdce551e930f9560260.tar.bz2
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 <dhowells@redhat.com> cc: stable@vger.kernel.org
Diffstat (limited to 'fs')
-rw-r--r--fs/afs/rotate.c8
1 files 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: