Blackfin: fix length checking in kgdb_ebin2mem
The kgdb_ebin2mem() was decrementing the count variable to do parsing, but
then later still tries to use it based on its original meaning. So leave
it untouched and use a different variable to walk the memory.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index c5362b2..da28f79 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -587,19 +587,18 @@
unsigned short *mmr16;
unsigned long *mmr32;
int err;
- int size = 0;
+ int size;
int cpu = raw_smp_processor_id();
tmp_old = tmp_new = buf;
- while (count-- > 0) {
+ for (size = 0; size < count; ++size) {
if (*tmp_old == 0x7d)
*tmp_new = *(++tmp_old) ^ 0x20;
else
*tmp_new = *tmp_old;
tmp_new++;
tmp_old++;
- size++;
}
err = validate_memory_access_address((unsigned long)mem, size);