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authorDominique Martinet <dominique.martinet@cea.fr>2018-08-30 12:29:36 +0200
committerDominique Martinet <dominique.martinet@cea.fr>2018-09-07 18:39:47 +0200
commit8b894adb2b7e1d1e64b8954569c761eaf3d51ab5 (patch)
tree34f429a8cc7c0dcc14084a3d421869f821f01bb5 /net/9p/trans_rdma.c
parent9p: Add refcount to p9_req_t (diff)
downloadlinux-8b894adb2b7e1d1e64b8954569c761eaf3d51ab5.tar.xz
linux-8b894adb2b7e1d1e64b8954569c761eaf3d51ab5.zip
9p/rdma: do not disconnect on down_interruptible EAGAIN
9p/rdma would sometimes drop the connection and display errors in recv_done when the user does ^C. The errors were caused by recv buffers that were posted at the time of disconnect, and we just do not want to disconnect when down_interruptible is... interrupted. Link: http://lkml.kernel.org/r/1535625307-18019-1-git-send-email-asmadeus@codewreck.org Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Diffstat (limited to 'net/9p/trans_rdma.c')
-rw-r--r--net/9p/trans_rdma.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 9cc9b3a19ee7..9719bc4d9424 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -477,7 +477,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
err = post_recv(client, rpl_context);
if (err) {
- p9_debug(P9_DEBUG_FCALL, "POST RECV failed\n");
+ p9_debug(P9_DEBUG_ERROR, "POST RECV failed: %d\n", err);
goto recv_error;
}
/* remove posted receive buffer from request structure */
@@ -546,7 +546,7 @@ dont_need_post_recv:
recv_error:
kfree(rpl_context);
spin_lock_irqsave(&rdma->req_lock, flags);
- if (rdma->state < P9_RDMA_CLOSING) {
+ if (err != -EINTR && rdma->state < P9_RDMA_CLOSING) {
rdma->state = P9_RDMA_CLOSING;
spin_unlock_irqrestore(&rdma->req_lock, flags);
rdma_disconnect(rdma->cm_id);