diff options
| author | Adrian Bunk <bunk@stusta.de> | 2006-10-31 16:59:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-11-01 15:42:33 -0800 |
| commit | d55b4c631e89a008e80b003e5aa4291d9ec800ac (patch) | |
| tree | 3245eaef822d00a769c83515abd5b34a524aacdd /net | |
| parent | 3ccfc65c5004e5fe5cfbffe43b8acc686680b53e (diff) | |
[TIPC] net/tipc/port.c: fix NULL dereference
The correct order is: NULL check before dereference
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/tipc/port.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/tipc/port.c b/net/tipc/port.c index c1a1a76759b5..b7f3199523ca 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -1136,11 +1136,12 @@ int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) int res = -EINVAL; p_ptr = tipc_port_lock(ref); + if (!p_ptr) + return -EINVAL; + dbg("tipc_publ %u, p_ptr = %x, conn = %x, scope = %x, " "lower = %u, upper = %u\n", ref, p_ptr, p_ptr->publ.connected, scope, seq->lower, seq->upper); - if (!p_ptr) - return -EINVAL; if (p_ptr->publ.connected) goto exit; if (seq->lower > seq->upper) |