[RFC PATCH 06/12] debug: NULL pointer check in ip_output
From: Patrick Ohly <hidden>
Date: 2008-12-15 14:57:34
Also in:
linux-api, lkml
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Signed-off-by: Patrick Ohly <redacted> --- net/ipv4/ip_output.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ed92f0b..03a6706 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c@@ -950,8 +950,14 @@ alloc_new_skb: skb->ip_summed = csummode; skb->csum = 0; skb_reserve(skb, hh_len); - if (ipc->shtx.flags) - *skb_tx(skb) = ipc->shtx; + if (ipc->shtx.flags) { + if (skb_tx(skb)) + *skb_tx(skb) = ipc->shtx; + else + printk(KERN_DEBUG + "ERROR: skb with flags %x and no tx ptr\n", + ipc->shtx.flags); + } /* * Find where to start putting bytes.
--
1.5.5.3
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