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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-08-05 22:10:52 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-08-05 22:10:52 +0100
commit13efdbecc65ef6ec4028551fb223dea5c5e3143c (patch)
tree634a2ce082abe3eb2a5defe0f1ddc2f3eb10f085 /net/mac80211/mesh_pathtbl.c
parent61f4a10cb4e9447a85245c63b3e7f46e09299fed (diff)
parent6fd210a9cc398ecbff7bcdbe220651b73b654f56 (diff)
Merge branch 'pm-upstream/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-stable
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 3c72557df45a..479597e88583 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -175,6 +175,8 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
int err = 0;
u32 hash_idx;
+ might_sleep();
+
if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
/* never add ourselves as neighbours */
return -ENOTSUPP;
@@ -265,6 +267,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
int err = 0;
u32 hash_idx;
+ might_sleep();
if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
/* never add ourselves as neighbours */
@@ -491,8 +494,10 @@ void mesh_path_tx_pending(struct mesh_path *mpath)
* @skb: frame to discard
* @sdata: network subif the frame was to be sent through
*
- * If the frame was beign forwarded from another MP, a PERR frame will be sent
- * to the precursor.
+ * If the frame was being forwarded from another MP, a PERR frame will be sent
+ * to the precursor. The precursor's address (i.e. the previous hop) was saved
+ * in addr1 of the frame-to-be-forwarded, and would only be overwritten once
+ * the destination is successfully resolved.
*
* Locking: the function must me called within a rcu_read_lock region
*/
@@ -507,7 +512,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
u8 *ra, *da;
da = hdr->addr3;
- ra = hdr->addr2;
+ ra = hdr->addr1;
mpath = mesh_path_lookup(da, sdata);
if (mpath)
dsn = ++mpath->dsn;