Messages in this thread Patch in this message |  | | From | Harshvardhan Jha <> | Subject | [PATCH] 9p/xen: Fix end of loop tests for list_for_each_entry | Date | Sun, 25 Jul 2021 23:21:03 +0530 |
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The list_for_each_entry() iterator, "priv" in this code, can never be NULL so the warning would never be printed.
Signed-off-by: Harshvardhan Jha <harshvardhan.jha@oracle.com> --- From static analysis. Not tested. --- net/9p/trans_xen.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c index f4fea28e05da..3ec1a51a6944 100644 --- a/net/9p/trans_xen.c +++ b/net/9p/trans_xen.c @@ -138,7 +138,7 @@ static bool p9_xen_write_todo(struct xen_9pfs_dataring *ring, RING_IDX size) static int p9_xen_request(struct p9_client *client, struct p9_req_t *p9_req) { - struct xen_9pfs_front_priv *priv = NULL; + struct xen_9pfs_front_priv *priv; RING_IDX cons, prod, masked_cons, masked_prod; unsigned long flags; u32 size = p9_req->tc.size; @@ -151,7 +151,7 @@ static int p9_xen_request(struct p9_client *client, struct p9_req_t *p9_req) break; } read_unlock(&xen_9pfs_lock); - if (!priv || priv->client != client) + if (list_entry_is_head(priv, &xen_9pfs_devs, list)) return -EINVAL; num = p9_req->tc.tag % priv->num_rings; -- 2.32.0
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