Aditya Pakki f0fb9b288d ipv6/route: Add a missing check on proc_dointvec
While flushing the cache via  ipv6_sysctl_rtcache_flush(), the call
to proc_dointvec() may fail. The fix adds a check that returns the
error, on failure.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-27 16:18:03 -08:00
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