sh: Fix memory leak in dwarf_unwind_stack()

If we broke out of the while (1) loop because the return address of
"frame" was zero, then "frame" needs to be free'd before we return.

Signed-off-by: Matt Fleming <matt@console-pimps.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index aacdc746d07c..eef87539963d 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -376,6 +376,7 @@ static inline unsigned int DW_CFA_operand(unsigned long insn)
 
 extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
                                               struct dwarf_frame *);
+extern void dwarf_free_frame(struct dwarf_frame *);
 extern int dwarf_parse_section(char *, char *, struct module *);
 extern void dwarf_module_unload(struct module *);