ARM: 8438/1: Add unwinding to __clear_user_std()
Add unwinding annotations so that unwinding from this function
works properly.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index 970d6c0..e936352 100644
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -9,6 +9,7 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
+#include <asm/unwind.h>
.text
@@ -20,6 +21,8 @@
*/
ENTRY(__clear_user_std)
WEAK(arm_clear_user)
+UNWIND(.fnstart)
+UNWIND(.save {r1, lr})
stmfd sp!, {r1, lr}
mov r2, #0
cmp r1, #4
@@ -44,6 +47,7 @@
USER( strnebt r2, [r0])
mov r0, #0
ldmfd sp!, {r1, pc}
+UNWIND(.fnend)
ENDPROC(arm_clear_user)
ENDPROC(__clear_user_std)