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authorKrutika Dhananjay <kdhananj@redhat.com>2016-11-24 18:36:28 +0530
committerPranith Kumar Karampuri <pkarampu@redhat.com>2016-11-25 01:45:20 -0800
commitaf3672ce94fa83c73fa8e8ba9fd7b8473d3da9ee (patch)
treeb8dd73319a53927f85ae46dc9bbf520cc8cbe747 /xlators/cluster
parent41ee2fbad54c89add98c4c0423211f246409708a (diff)
cluster/afr: Handle rpc errors, xdr failures etc with proper NULL checks
Backport of: http://review.gluster.org/15924 Change-Id: Ie2a181e113ba24abca8cd4fd6bb722d048f014a8 BUG: 1398499 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/15925 Smoke: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Diffstat (limited to 'xlators/cluster')
-rw-r--r--xlators/cluster/afr/src/afr-transaction.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c
index 12d3d9f439d..2cbe66110a5 100644
--- a/xlators/cluster/afr/src/afr-transaction.c
+++ b/xlators/cluster/afr/src/afr-transaction.c
@@ -1251,12 +1251,23 @@ afr_pre_op_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local->op_errno = op_errno;
afr_transaction_fop_failed (frame, this, child_index);
}
- write_args_cbk = &args_cbk->rsp_list[1];
- afr_inode_write_fill (frame, this, (long) i, write_args_cbk->op_ret,
- write_args_cbk->op_errno,
- &write_args_cbk->prestat,
- &write_args_cbk->poststat,
- write_args_cbk->xdata);
+
+ /* If the compound fop failed due to saved_frame_unwind(), then
+ * protocol/client fails it even before args_cbk is allocated.
+ * Handle that case by passing the op_ret, op_errno values explicitly.
+ */
+ if ((op_ret == -1) && (args_cbk == NULL)) {
+ afr_inode_write_fill (frame, this, (long) i, op_ret, op_errno,
+ NULL, NULL, NULL);
+ } else {
+ write_args_cbk = &args_cbk->rsp_list[1];
+ afr_inode_write_fill (frame, this, (long) i,
+ write_args_cbk->op_ret,
+ write_args_cbk->op_errno,
+ &write_args_cbk->prestat,
+ &write_args_cbk->poststat,
+ write_args_cbk->xdata);
+ }
call_count = afr_frame_return (frame);