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SubjectRe: [patch] rapidio: potential null deref on failure path
On Mon, Mar 21, 2011 at 05:49:06AM -0700, Bounine, Alexandre wrote:
> Better to combine both conditions:
>
> if (rio_is_switch(rdev) && rswitch->route_table))
> kfree(rswitch->route_table);
>
> Because there is situation when routine fails to allocate route_table
> for a switch.
>

kfree() accepts NULL pointers. People have been removing these checks
all over the tree by the hundreds... Sorry I should have mentioned
that.

regards,
dan carpenter




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