diff options
| author | Rodrigo Vivi <[email protected]> | 2018-07-23 09:13:12 -0700 |
|---|---|---|
| committer | Rodrigo Vivi <[email protected]> | 2018-07-23 09:13:12 -0700 |
| commit | c74a7469f97c0f40b46e82ee979f9fb1bb6e847c (patch) | |
| tree | f2690a1a916b73ef94657fbf0e0141ae57701825 /arch/powerpc/kernel/ptrace.c | |
| parent | 6f15a7de86c8cf2dc09fc9e6d07047efa40ef809 (diff) | |
| parent | 500775074f88d9cf5416bed2ca19592812d62c41 (diff) | |
Merge drm/drm-next into drm-intel-next-queued
We need a backmerge to get DP_DPCD_REV_14 before we push other
i915 changes to dinq that could break compilation.
Signed-off-by: Rodrigo Vivi <[email protected]>
Diffstat (limited to 'arch/powerpc/kernel/ptrace.c')
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index d23cf632edf0..9667666eb18e 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -2443,6 +2443,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, /* Create a new breakpoint request if one doesn't exist already */ hw_breakpoint_init(&attr); attr.bp_addr = hw_brk.address; + attr.bp_len = 8; arch_bp_generic_fields(hw_brk.type, &attr.bp_type); @@ -3081,27 +3082,19 @@ long arch_ptrace(struct task_struct *child, long request, #endif /* CONFIG_HAVE_HW_BREAKPOINT */ #endif /* CONFIG_PPC_ADV_DEBUG_REGS */ - if (!access_ok(VERIFY_WRITE, datavp, - sizeof(struct ppc_debug_info))) + if (copy_to_user(datavp, &dbginfo, + sizeof(struct ppc_debug_info))) return -EFAULT; - ret = __copy_to_user(datavp, &dbginfo, - sizeof(struct ppc_debug_info)) ? - -EFAULT : 0; - break; + return 0; } case PPC_PTRACE_SETHWDEBUG: { struct ppc_hw_breakpoint bp_info; - if (!access_ok(VERIFY_READ, datavp, - sizeof(struct ppc_hw_breakpoint))) + if (copy_from_user(&bp_info, datavp, + sizeof(struct ppc_hw_breakpoint))) return -EFAULT; - ret = __copy_from_user(&bp_info, datavp, - sizeof(struct ppc_hw_breakpoint)) ? - -EFAULT : 0; - if (!ret) - ret = ppc_set_hwdebug(child, &bp_info); - break; + return ppc_set_hwdebug(child, &bp_info); } case PPC_PTRACE_DELHWDEBUG: { |