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| /freebsd-9.3-release/sys/kern/ | ||
| H A D | kern_sysctl.c | diff 127050 Mon Mar 15 23:28:45 MST 2004 truckman Don't bother calling vslock() and vsunlock() if oldlen is zero. If vslock() returns ENOMEM, sysctl_wire_old_buffer() should set wiredlen to zero and return zero (success) so that the handler will operate according to sysctl(3): The size of the buffer is given by the location specified by oldlenp before the call, and that location gives the amount of data copied after a successful call and after a call that returns with the error code ENOMEM. The handler will return an ENOMEM error because the zero length buffer will overflow. |
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