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authorHiroaki SHIMODA <shimoda.hiroaki@gmail.com>2012-08-03 19:57:52 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-02 09:47:05 -0700
commitd5916dedd20a1714a8436f51ba4df13bd4c56474 (patch)
tree9b90289de4dc3b03bfc018609b93e491c84faaa8 /drivers/isdn
parent09c403dc7c8e73a4f9c553e4d84aef68af25ff65 (diff)
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net_sched: gact: Fix potential panic in tcf_gact().
[ Upstream commit 696ecdc10622d86541f2e35cc16e15b6b3b1b67e ] gact_rand array is accessed by gact->tcfg_ptype whose value is assumed to less than MAX_RAND, but any range checks are not performed. So add a check in tcf_gact_init(). And in tcf_gact(), we can reduce a branch. Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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