powerpc/booke: Fix a couple typos in the advanced ptrace code

powerpc/booke: Fix a couple typos in the advanced ptrace code

Found and fixed a couple typos in the advanced ptrace patches.
(These patches are currently in benh's next tree.)
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev list <Linuxppc-dev@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/include/asm/reg_booke.h

@@ -421,8 +421,8 @@
 /* Bit definitions related to the DBCR2. */
 #define DBCR2_DAC1US	0xC0000000	/* Data Addr Cmp 1 Sup/User   */
 #define DBCR2_DAC1ER	0x30000000	/* Data Addr Cmp 1 Eff/Real */
-#define DBCR2_DAC2US	0x00000000	/* Data Addr Cmp 2 Sup/User   */
-#define DBCR2_DAC2ER	0x00000000	/* Data Addr Cmp 2 Eff/Real */
+#define DBCR2_DAC2US	0x0C000000	/* Data Addr Cmp 2 Sup/User   */
+#define DBCR2_DAC2ER	0x03000000	/* Data Addr Cmp 2 Eff/Real */
 #define DBCR2_DAC12M	0x00800000	/* DAC 1-2 range enable */
 #define DBCR2_DAC12MM	0x00400000	/* DAC 1-2 Mask mode*/
 #define DBCR2_DAC12MX	0x00C00000	/* DAC 1-2 range eXclusive */

arch/powerpc/kernel/ptrace.c

@@ -1070,7 +1070,7 @@ static int del_dac(struct task_struct *child, int slot)
 		child->thread.dvc1 = 0;
 #endif
 	} else if (slot == 2) {
-		if (child->thread.dac1 == 0)
+		if (child->thread.dac2 == 0)
 			return -ENOENT;
 
 #ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE