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authorGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
commitb1e50ebcf24668e57f058deb48b0704b5391ed0f (patch)
tree17e1b69b249d0738317b732186340c9dd053f1a1 /drivers/net/ppp_generic.c
parent0c2a2ae32793e3500a15a449612485f5d17dd431 (diff)
parent7e125f7b9cbfce4101191b8076d606c517a73066 (diff)
downloadkernel-crypto-b1e50ebcf24668e57f058deb48b0704b5391ed0f.tar.gz
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Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'drivers/net/ppp_generic.c')
-rw-r--r--drivers/net/ppp_generic.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 8518a2e58e5..5441688daba 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -2174,6 +2174,24 @@ int ppp_unit_number(struct ppp_channel *chan)
}
/*
+ * Return the PPP device interface name of a channel.
+ */
+char *ppp_dev_name(struct ppp_channel *chan)
+{
+ struct channel *pch = chan->ppp;
+ char *name = NULL;
+
+ if (pch) {
+ read_lock_bh(&pch->upl);
+ if (pch->ppp && pch->ppp->dev)
+ name = pch->ppp->dev->name;
+ read_unlock_bh(&pch->upl);
+ }
+ return name;
+}
+
+
+/*
* Disconnect a channel from the generic layer.
* This must be called in process context.
*/
@@ -2901,6 +2919,7 @@ EXPORT_SYMBOL(ppp_register_channel);
EXPORT_SYMBOL(ppp_unregister_channel);
EXPORT_SYMBOL(ppp_channel_index);
EXPORT_SYMBOL(ppp_unit_number);
+EXPORT_SYMBOL(ppp_dev_name);
EXPORT_SYMBOL(ppp_input);
EXPORT_SYMBOL(ppp_input_error);
EXPORT_SYMBOL(ppp_output_wakeup);