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| author | Krzysztof Halasa <khc@pm.waw.pl> | 2010-04-14 10:09:52 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-12 18:03:02 -0400 |
| commit | 490b9c7aa0a31294aaa2b445c59cfb95979b7f04 (patch) | |
| tree | 4d6b4099b40d256584554f78bd1b203de9cc9b5b /lib/spinlock_debug.c | |
| parent | 5049664c319adc3f8d136c2fc4bf9d57c33ffe57 (diff) | |
WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod hw_driver.
[ Upstream commit 31f634a63de7068c6a5dcb0d7b09b24b61a5cf88 ]
tx_queue is used as a temporary queue when not allowed to queue skb
directly to the hw device driver (which may sleep). Most paths flush
it before returning, but ppp_start() currently cannot. Make sure we
don't leave skbs pointing to a non-existent device.
Thanks to Michael Barkowski for reporting this problem.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib/spinlock_debug.c')
0 files changed, 0 insertions, 0 deletions