Blackfin arch: Enable earlyprintk earlier - so any error after our interrupt tables are set up will print out

Also ensure that the traps_c code doesn't cause a double fault, by
sending a signal to a faulting kernel before the memory subsystem
is fully initialized, by printing out the error message before sending
the signal.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index ba68eb2ec92..8823e9ade58 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -402,10 +402,6 @@ asmlinkage void trap_c(struct pt_regs *fp)
                 break;
         }
 
-        info.si_signo = sig;
-        info.si_errno = 0;
-        info.si_addr = (void *)fp->pc;
-        force_sig_info(sig, &info, current);
         if (sig != 0 && sig != SIGTRAP) {
                 unsigned long stack;
                 dump_bfin_regs(fp, (void *)fp->retx);
@@ -414,6 +410,10 @@ asmlinkage void trap_c(struct pt_regs *fp)
                 if (current->mm == NULL)
                         panic("Kernel exception");
         }
+        info.si_signo = sig;
+        info.si_errno = 0;
+        info.si_addr = (void *)fp->pc;
+        force_sig_info(sig, &info, current);
 
         /* if the address that we are about to return to is not valid, set it
          * to a valid address, if we have a current application or panic