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fs/signalfd: fix build error for BUS_MCEERR_AR 

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: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Randy Dunlap 2018-02-12 13:18:38 -08:00 committed by Eric W. Biederman
parent 7928b2cbe5
commit 9026e820cb
1 changed files with 12 additions and 3 deletions
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15
fs/signalfd.c
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@ -118,13 +118,22 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo,
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