[Blackfin] arch: add missing __user marking to ss_sp member of signalstack and a few userspace system functions
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/include/asm-blackfin/signal.h b/include/asm-blackfin/signal.h
index 0250429..87951d2 100644
--- a/include/asm-blackfin/signal.h
+++ b/include/asm-blackfin/signal.h
@@ -143,7 +143,7 @@
#endif /* __KERNEL__ */
typedef struct sigaltstack {
- void *ss_sp;
+ void __user *ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;