sh: Fix up uninitialized variable use caught by gcc 4.4.
authorPaul Mundt <lethal@linux-sh.org>
Thu, 24 Sep 2009 08:48:15 +0000 (17:48 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Thu, 24 Sep 2009 08:48:15 +0000 (17:48 +0900)
In the unaligned kernel exception fixup case the printk() was ordered
before the copy_from_user(), resulting in a nonsensical instruction
value. This fixes up the ordering properly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/kernel/traps_32.c

index f9760c5..69bb165 100644 (file)
@@ -678,12 +678,6 @@ uspace_segv:
        } else {
                se_sys += 1;
 
        } else {
                se_sys += 1;
 
-               if (se_kernmode_warn)
-                       printk(KERN_NOTICE "Unaligned kernel access "
-                              "on behalf of \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
-                              current->comm, current->pid, (void *)regs->pc,
-                              instruction);
-
                if (regs->pc & 1)
                        die("unaligned program counter", regs, error_code);
 
                if (regs->pc & 1)
                        die("unaligned program counter", regs, error_code);
 
@@ -697,6 +691,12 @@ uspace_segv:
                        die("insn faulting in do_address_error", regs, 0);
                }
 
                        die("insn faulting in do_address_error", regs, 0);
                }
 
+               if (se_kernmode_warn)
+                       printk(KERN_NOTICE "Unaligned kernel access "
+                              "on behalf of \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
+                              current->comm, current->pid, (void *)regs->pc,
+                              instruction);
+
                handle_unaligned_access(instruction, regs,
                                        &user_mem_access, 0);
                set_fs(oldfs);
                handle_unaligned_access(instruction, regs,
                                        &user_mem_access, 0);
                set_fs(oldfs);