[Ocfs2-devel] o2net_tx_can_proceed reviews, thanks

[Joseph Qi]

Hi，
Please read the rules located at Documentation/SubmittingPatches before
submitting patch. This will help maintainer review your patch.

On 2015/6/6 21:06, Zhangguanghui wrote:
> Hi
> 
> 1. in the callback o2net_fill_node_map -> o2net_tx_can_proceed()
> 2. if the function o2net_tx_can_proceed returns false,  then "ret" and sc are uninialized,
> and re-using the value from the previous iteration.  I think this is not reasonable. 
> I do not know whether to hide a bug. 
> checking the return value is harmless and robustness.
> 
> Finally, any feedback about this process (positive or negative) would be  greatly appreciated.
> 
> /* Get a map of all nodes to which this node is currently connected to */
> 
> void o2net_fill_node_map(unsigned long *map, unsigned bytes)
> 
> {
> 	struct o2net_sock_container *sc = NULL;
> 	int node, ret = 0;
> 	BUG_ON(bytes < (BITS_TO_LONGS(O2NM_MAX_NODES) * sizeof(unsigned long)));
> 	memset(map, 0, bytes);
> 	for (node = 0; node < O2NM_MAX_NODES; ++node) {
> 		if (!o2net_tx_can_proceed(o2net_nn_from_num(node), &sc, &ret))
> 			continue;
> 		if (!ret) {
> 			set_bit(node, map);
> 			sc_put(sc)
> 
>                 }
> 
>               +   sc = NULL;  
> 
>               +  ret=0;
> 
> 	} 
> }
> 
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------!
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> zhangguanghui 10102
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