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[v3,37/49] pnfs: fail comparison when bucket verifier not set

Message ID 1420590534-84063-38-git-send-email-loghyr@primarydata.com (mailing list archive)
State New, archived
Headers show

Commit Message

Thomas Haynes Jan. 7, 2015, 12:28 a.m. UTC 
From: Weston Andros Adamson <dros@primarydata.com>

This skips the WARN_ON_ONCE, but doesnt change behavior (the memcmp would
fail).

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
---
 fs/nfs/direct.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 651387b..eb81478 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -222,7 +222,11 @@  static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
 
 	verfp = nfs_direct_select_verf(dreq, data->ds_clp,
 					 data->ds_commit_index);
-	WARN_ON_ONCE(verfp->committed < 0);
+
+	/* verifier not set so always fail */
+	if (verfp->committed < 0)
+		return 1;
+
 	return memcmp(verfp, &data->verf, sizeof(struct nfs_writeverf));
 }