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authorStephen Hemminger <shemminger@vyatta.com>2008-02-09 23:26:53 -0800
committerDavid S. Miller <davem@davemloft.net>2008-02-09 23:26:53 -0800
commit954415e33ed6cfa932c13e8c2460bd05e50723b5 (patch)
tree6587b63b3d5ba528b446eabf1c6af5134e4c3464 /drivers/isdn
parented7af3b3501c8c4e3667c89c2c43347bf29ae237 (diff)
[PKT_SCHED] ematch: tcf_em_destroy robustness
Make the code in tcf_em_tree_destroy more robust and cleaner: * Don't need to cast pointer to kfree() or avoid passing NULL. * After freeing the tree, clear the pointer to avoid possible problems from repeated free. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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