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signal/blackfin: Move the blackfin specific si_codes to asm-generic/siginfo.h

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Having si_codes in many different files simply encourages duplicate definitions
that can cause problems later.  To avoid that merge the blackfin specific si_codes
into uapi/asm-generic/siginfo.h

Update copy_siginfo_to_user to copy with the absence of BUS_MCEERR_AR that blackfin
defines to be something else.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2018-01-13 18:25:09 -06:00
commit 71ee78d538
3 changed files with 33 additions and 37 deletions
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9
kernel/signal.c
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@ -2770,13 +2770,16 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from)
err |= __put_user(from->si_flags, &to->si_flags);
err |= __put_user(from->si_isr, &to->si_isr);
#endif
#ifdef BUS_MCEERR_AO
/*
* Other callers might not initialize the si_lsb field,
* so check explicitly for the right codes here.
*/
if (from->si_signo == SIGBUS &&
(from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO))
#ifdef BUS_MCEERR_AR
if (from->si_signo == SIGBUS && from->si_code == BUS_MCEERR_AR)
err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
#endif
#ifdef BUS_MCEERR_AO
if (from->si_signo == SIGBUS && from->si_code == BUS_MCEERR_AO)
err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
#endif
#ifdef SEGV_BNDERR