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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-08-25 11:00:02 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-08-25 11:00:02 +0200 |
| commit | 2d9ad4cfaf4d32a64a4ed556e5bcab9121215026 (patch) | |
| tree | 3572e6cd05effa4e2943cee817defb2b9a72afd1 /arch/sh/kernel/traps_32.c | |
| parent | drm/modeset-lock: Take the modeset BKL for legacy drivers (diff) | |
| parent | Linux 5.9-rc2 (diff) | |
| download | wireguard-linux-2d9ad4cfaf4d32a64a4ed556e5bcab9121215026.tar.xz wireguard-linux-2d9ad4cfaf4d32a64a4ed556e5bcab9121215026.zip | |
Merge tag 'v5.9-rc2' into drm-misc-fixes
Backmerge requested by Tomi for a fix to omap inconsistent
locking state issue, and because we need at least v5.9-rc2 now.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'arch/sh/kernel/traps_32.c')
| -rw-r--r-- | arch/sh/kernel/traps_32.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index 058c6181bb30..b62ad0ba2395 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -482,8 +482,6 @@ asmlinkage void do_address_error(struct pt_regs *regs, error_code = lookup_exception_vector(); #endif - oldfs = get_fs(); - if (user_mode(regs)) { int si_code = BUS_ADRERR; unsigned int user_action; @@ -491,13 +489,13 @@ asmlinkage void do_address_error(struct pt_regs *regs, local_irq_enable(); inc_unaligned_user_access(); - set_fs(USER_DS); + oldfs = force_uaccess_begin(); if (copy_from_user(&instruction, (insn_size_t *)(regs->pc & ~1), sizeof(instruction))) { - set_fs(oldfs); + force_uaccess_end(oldfs); goto uspace_segv; } - set_fs(oldfs); + force_uaccess_end(oldfs); /* shout about userspace fixups */ unaligned_fixups_notify(current, instruction, regs); @@ -520,11 +518,11 @@ fixup: goto uspace_segv; } - set_fs(USER_DS); + oldfs = force_uaccess_begin(); tmp = handle_unaligned_access(instruction, regs, &user_mem_access, 0, address); - set_fs(oldfs); + force_uaccess_end(oldfs); if (tmp == 0) return; /* sorted */ |