Messages in this thread Patch in this message | | | From | Randy Dunlap <> | Subject | [PATCH] fs/signalfd: fix build error for BUS_MCEERR_AR | Date | Mon, 12 Feb 2018 13:18:38 -0800 |
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From: Randy Dunlap <rdunlap@infradead.org>
Fix build error in fs/signalfd.c by using same method that is used in kernel/signal.c: separate blocks for different signal si_code values.
./fs/signalfd.c: error: 'BUS_MCEERR_AR' undeclared (first use in this function)
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> --- fs/signalfd.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-)
Applies to mainline 4.16-rc1.
--- linux-next-20180212.orig/fs/signalfd.c +++ linux-next-20180212/fs/signalfd.c @@ -118,13 +118,22 @@ static int signalfd_copyinfo(struct sign err |= __put_user(kinfo->si_trapno, &uinfo->ssi_trapno); #endif #ifdef BUS_MCEERR_AO - /* + /* * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ if (kinfo->si_signo == SIGBUS && - (kinfo->si_code == BUS_MCEERR_AR || - kinfo->si_code == BUS_MCEERR_AO)) + kinfo->si_code == BUS_MCEERR_AO) + err |= __put_user((short) kinfo->si_addr_lsb, + &uinfo->ssi_addr_lsb); +#endif +#ifdef BUS_MCEERR_AR + /* + * Other callers might not initialize the si_lsb field, + * so check explicitly for the right codes here. + */ + if (kinfo->si_signo == SIGBUS && + kinfo->si_code == BUS_MCEERR_AR) err |= __put_user((short) kinfo->si_addr_lsb, &uinfo->ssi_addr_lsb); #endif
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