Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH] rxrpc: split up rxrpc_send_call_packet() | Date | Sat, 01 Oct 2016 00:35:09 +0100 |
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Arnd Bergmann <arnd@arndb.de> wrote:
> A number of reworks went into rxrpc_send_call_packet() recently, which > introduced another warning when built with -Wmaybe-uninitialized: > > In file included from ../net/rxrpc/output.c:20:0: > net/rxrpc/output.c: In function 'rxrpc_send_call_packet': > net/rxrpc/ar-internal.h:1187:27: error: 'top' may be used uninitialized in this function [-Werror=maybe-uninitialized] > net/rxrpc/output.c:103:24: note: 'top' was declared here > net/rxrpc/output.c:225:25: error: 'hard_ack' may be used uninitialized in this function [-Werror=maybe-uninitialized] > > This is a false positive, but it's also an indication that the function is > getting complex enough that the compiler cannot figure out what it does. > > This splits out a rxrpc_send_ack_packet() function for one part of > it, making it more understandable by both humans and the compiler > and avoiding the warning. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > Unfortunately, this is a larger rework that I was hoping for, and > I have only build tested it, so please review carefully, or just > discard it and treat it as feedback to the original patch.
I think I'd rather cleanly split it into two transmission functions. I'll do that.
Thanks, David
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