> From: Jakub Kicinski <kuba@xxxxxxxxxx> > Sent: Tuesday, April 16, 2024 9:27 AM > To: Dan Jurgens <danielj@xxxxxxxxxx> > On Tue, 16 Apr 2024 03:15:34 +0000 Dan Jurgens wrote: > > Which version? It compiles for me with: > > $ clang -v > > clang version 15.0.7 (Fedora 15.0.7-2.fc37) > > clang version 17.0.6 (Fedora 17.0.6-2.fc39) > Thanks, I was able to see this with the newer version. The changes to address Heng's comment resolves it as well. > allmodconfig > > The combination of UNIQUE() goto and guard seems to make it unhappy: > > ../drivers/net/virtio_net.c:3613:3: error: cannot jump from this goto > statement to its label 3613 | goto out; | ^ > ../drivers/net/virtio_net.c:3615:2: note: jump bypasses initialization of > variable with __attribute__((cleanup)) > 3615 | guard(spinlock)(&rq->intr_coal_lock); > | ^ > ../include/linux/cleanup.h:164:15: note: expanded from macro 'guard' > 164 | CLASS(_name, __UNIQUE_ID(guard)) > | ^ > ../include/linux/compiler.h:189:29: note: expanded from macro > '__UNIQUE_ID' > 189 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, > prefix), __COUNTER__) > | ^ > ./../include/linux/compiler_types.h:84:22: note: expanded from macro > '__PASTE' > 84 | #define __PASTE(a,b) ___PASTE(a,b) > | ^ > ./../include/linux/compiler_types.h:83:23: note: expanded from macro > '___PASTE' > 83 | #define ___PASTE(a,b) a##b > | ^ > <scratch space>:18:1: note: expanded from here > 18 | __UNIQUE_ID_guard2044 > | ^ > 1 error generated.
