diff options
| author | Sven Schnelle <svens@linux.ibm.com> | 2021-06-11 16:08:18 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-06-21 11:19:18 +0200 |
| commit | ca1f4d702d534387aa1f16379edb3b03cdb6ceda (patch) | |
| tree | 38203bd018acae7d0386ae45d7e3803a04bd626e /drivers/s390 | |
| parent | fc66127dc3396338f287c3b494dfbf102547e770 (diff) | |
s390: clear pt_regs::flags on irq entry
The current irq entry code doesn't initialize pt_regs::flags. On exit to
user mode arch_do_signal_or_restart() tests whether PIF_SYSCALL is set,
which might yield wrong results.
Fix this by clearing pt_regs::flags in the entry.S irq handler
code.
Reported-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Fixes: 56e62a737028 ("s390: convert to generic entry")
Cc: <stable@vger.kernel.org> # 5.12
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'drivers/s390')
0 files changed, 0 insertions, 0 deletions