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-rw-r--r--net/ceph/osd_client.c31
-rw-r--r--net/mac80211/wep.c6
-rw-r--r--net/socket.c24
-rw-r--r--net/sunrpc/auth_gss/gss_rpc_xdr.c23
4 files changed, 50 insertions, 34 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 45f077c60348..5b7ef5bb90ed 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1932,20 +1932,29 @@ static void kick_requests(struct ceph_osd_client *osdc, bool force_resend,
err = __map_request(osdc, req,
force_resend || force_resend_writes);
dout("__map_request returned %d\n", err);
- if (err == 0)
- continue; /* no change and no osd was specified */
if (err < 0)
continue; /* hrm! */
- if (req->r_osd == NULL) {
- dout("tid %llu maps to no valid osd\n", req->r_tid);
- needmap++; /* request a newer map */
- continue;
- }
+ if (req->r_osd == NULL || err > 0) {
+ if (req->r_osd == NULL) {
+ dout("lingering %p tid %llu maps to no osd\n",
+ req, req->r_tid);
+ /*
+ * A homeless lingering request makes
+ * no sense, as it's job is to keep
+ * a particular OSD connection open.
+ * Request a newer map and kick the
+ * request, knowing that it won't be
+ * resent until we actually get a map
+ * that can tell us where to send it.
+ */
+ needmap++;
+ }
- dout("kicking lingering %p tid %llu osd%d\n", req, req->r_tid,
- req->r_osd ? req->r_osd->o_osd : -1);
- __register_request(osdc, req);
- __unregister_linger_request(osdc, req);
+ dout("kicking lingering %p tid %llu osd%d\n", req,
+ req->r_tid, req->r_osd ? req->r_osd->o_osd : -1);
+ __register_request(osdc, req);
+ __unregister_linger_request(osdc, req);
+ }
}
reset_changed_osds(osdc);
mutex_unlock(&osdc->request_mutex);
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 6ee2b5863572..f21b142dee1f 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -98,8 +98,7 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN ||
- skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
+ if (WARN_ON(skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
return NULL;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -169,6 +168,9 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local,
size_t len;
u8 rc4key[3 + WLAN_KEY_LEN_WEP104];
+ if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN))
+ return -1;
+
iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx);
if (!iv)
return -1;
diff --git a/net/socket.c b/net/socket.c
index 1b2c2d62ff20..b72fc137e1a6 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2007,14 +2007,12 @@ static int ___sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
int err, ctl_len, total_len;
err = -EFAULT;
- if (MSG_CMSG_COMPAT & flags) {
- if (get_compat_msghdr(msg_sys, msg_compat))
- return -EFAULT;
- } else {
+ if (MSG_CMSG_COMPAT & flags)
+ err = get_compat_msghdr(msg_sys, msg_compat);
+ else
err = copy_msghdr_from_user(msg_sys, msg);
- if (err)
- return err;
- }
+ if (err)
+ return err;
if (msg_sys->msg_iovlen > UIO_FASTIOV) {
err = -EMSGSIZE;
@@ -2219,14 +2217,12 @@ static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
struct sockaddr __user *uaddr;
int __user *uaddr_len;
- if (MSG_CMSG_COMPAT & flags) {
- if (get_compat_msghdr(msg_sys, msg_compat))
- return -EFAULT;
- } else {
+ if (MSG_CMSG_COMPAT & flags)
+ err = get_compat_msghdr(msg_sys, msg_compat);
+ else
err = copy_msghdr_from_user(msg_sys, msg);
- if (err)
- return err;
- }
+ if (err)
+ return err;
if (msg_sys->msg_iovlen > UIO_FASTIOV) {
err = -EMSGSIZE;
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 1ec19f6f0c2b..eeeba5adee6d 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -793,20 +793,26 @@ int gssx_dec_accept_sec_context(struct rpc_rqst *rqstp,
{
u32 value_follows;
int err;
+ struct page *scratch;
+
+ scratch = alloc_page(GFP_KERNEL);
+ if (!scratch)
+ return -ENOMEM;
+ xdr_set_scratch_buffer(xdr, page_address(scratch), PAGE_SIZE);
/* res->status */
err = gssx_dec_status(xdr, &res->status);
if (err)
- return err;
+ goto out_free;
/* res->context_handle */
err = gssx_dec_bool(xdr, &value_follows);
if (err)
- return err;
+ goto out_free;
if (value_follows) {
err = gssx_dec_ctx(xdr, res->context_handle);
if (err)
- return err;
+ goto out_free;
} else {
res->context_handle = NULL;
}
@@ -814,11 +820,11 @@ int gssx_dec_accept_sec_context(struct rpc_rqst *rqstp,
/* res->output_token */
err = gssx_dec_bool(xdr, &value_follows);
if (err)
- return err;
+ goto out_free;
if (value_follows) {
err = gssx_dec_buffer(xdr, res->output_token);
if (err)
- return err;
+ goto out_free;
} else {
res->output_token = NULL;
}
@@ -826,14 +832,17 @@ int gssx_dec_accept_sec_context(struct rpc_rqst *rqstp,
/* res->delegated_cred_handle */
err = gssx_dec_bool(xdr, &value_follows);
if (err)
- return err;
+ goto out_free;
if (value_follows) {
/* we do not support upcall servers sending this data. */
- return -EINVAL;
+ err = -EINVAL;
+ goto out_free;
}
/* res->options */
err = gssx_dec_option_array(xdr, &res->options);
+out_free:
+ __free_page(scratch);
return err;
}