neighbor: tracing: Have neigh_create event use __string()
The dev field of the neigh_create event uses __dynamic_array() with a fixed size, which defeats the purpose of __dynamic_array(). Looking at the logic, as it already uses __assign_str(), just use the same logic in __string to create the size needed. It appears that because "dev" can be NULL, it needs the check. But __string() can have the same checks as __assign_str() so use them there too. Link: https://lkml.kernel.org/r/20220705183741.35387e3f@rorschach.local.home Cc: David Ahern <dsahern@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Acked-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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