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powerpc: fix build failure by disabling attribute-alias warning in pci_32 

Commit 2479bfc9bc ("powerpc: Fix build by disabling attribute-alias
warning for SYSCALL_DEFINEx") forgot arch/powerpc/kernel/pci_32.c

Latest GCC version emit the following warnings

As arch/powerpc code is built with -Werror, this breaks build with
GCC 8.1

This patch inhibits this warning

In file included from arch/powerpc/kernel/pci_32.c:14:
./include/linux/syscalls.h:233:18: error: 'sys_pciconfig_iobase' alias between functions of incompatible types 'long int(long int,  long unsigned int,  long unsigned int)' and 'long int(long int,  long int,  long int)' [-Werror=attribute-alias]
  asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
                  ^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
  __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
  ^~~~~~~~~~~~~~~~~

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2018-06-05 06:57:43 +00:00 committed by Michael Ellerman
parent 2e5c93d6bb
commit 4155203739
1 changed files with 4 additions and 0 deletions
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4
arch/powerpc/kernel/pci_32.c
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@ -285,6 +285,9 @@ pci_bus_to_hose(int bus)
* Note that the returned IO or memory base is a physical address
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wattribute-alias"
SYSCALL_DEFINE3(pciconfig_iobase, long, which,
unsigned long, bus, unsigned long, devfn)
{
@ -310,3 +313,4 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which,
return result;
}
#pragma GCC diagnostic pop