diff options
Diffstat (limited to '')
-rw-r--r-- | arch/powerpc/kernel/process.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7fcf72e58826..fad50db9dcf2 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1277,16 +1277,6 @@ void show_user_instructions(struct pt_regs *regs) pc = regs->nip - (NR_INSN_TO_PRINT * 3 / 4 * sizeof(int)); - /* - * Make sure the NIP points at userspace, not kernel text/data or - * elsewhere. - */ - if (!__access_ok(pc, NR_INSN_TO_PRINT * sizeof(int), USER_DS)) { - pr_info("%s[%d]: Bad NIP, not dumping instructions.\n", - current->comm, current->pid); - return; - } - seq_buf_init(&s, buf, sizeof(buf)); while (n) { @@ -1297,7 +1287,7 @@ void show_user_instructions(struct pt_regs *regs) for (i = 0; i < 8 && n; i++, n--, pc += sizeof(int)) { int instr; - if (probe_kernel_address((const void *)pc, instr)) { + if (probe_user_read(&instr, (void __user *)pc, sizeof(instr))) { seq_buf_printf(&s, "XXXXXXXX "); continue; } |