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| author | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
| commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
| tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /arch/powerpc/sysdev/fsl_pci.c | |
| parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
| download | linux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz | |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/sysdev/fsl_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 617a443d673d..4a8874bc1057 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -1065,13 +1065,11 @@ int fsl_pci_mcheck_exception(struct pt_regs *regs) addr += mfspr(SPRN_MCAR); if (is_in_pci_mem_space(addr)) { - if (user_mode(regs)) { - pagefault_disable(); - ret = get_user(inst, (__u32 __user *)regs->nip); - pagefault_enable(); - } else { + if (user_mode(regs)) + ret = probe_user_read(&inst, (void __user *)regs->nip, + sizeof(inst)); + else ret = probe_kernel_address((void *)regs->nip, inst); - } if (!ret && mcheck_handle_load(regs, inst)) { regs->nip += 4; |