Re: [PATCH] net/i40e: fix build with MinGW GCC 12

[Thomas Monjalon <thomas@monjalon.net>]

04/10/2022 13:21, Thomas Monjalon:
> 04/10/2022 13:17, Thomas Monjalon:
> > When compiling with MinGW GCC 12,
> > the rte_flow_item array is seen as read out of bound:
> > 
> > net/i40e/i40e_hash.c:389:47: error:
> > 	array subscript 50 is above array bounds of ‘const uint64_t[50]’
> > 	{aka ‘const long long unsigned int[50]’} [-Werror=array-bounds]
> > 	389 | item_hdr = pattern_item_header[last_item_type];
> > 	    |            ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
> > 
> > It seems the assert check done above this line has no impact.
> > A check is added to make the compiler happy.
> 
> We could add those lines as the real issue is the item array:
> 
> Fixes: ef4c16fd9148 ("net/i40e: refactor RSS flow")
> Cc: stable@dpdk.org
> 
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>

A similar patch was sent 6 weeks ago by Amit Prakash Shukla.