sh: Silence unintialized variable warnings in dwarf unwinder.

The parent rb_node needs to be initialized to shut up the compiler, even
though we're unlikely to ever hit this issue at run time.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index bd1c497..94739ee 100644 (file)
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -727,7 +727,7 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
                           unsigned char *end, struct module *mod)
 {
        struct rb_node **rb_node = &cie_root.rb_node;
-       struct rb_node *parent;
+       struct rb_node *parent = *rb_node;
        struct dwarf_cie *cie;
        unsigned long flags;
        int count;
@@ -856,7 +856,7 @@ static int dwarf_parse_fde(void *entry, u32 entry_type,
                           unsigned char *end, struct module *mod)
 {
        struct rb_node **rb_node = &fde_root.rb_node;
-       struct rb_node *parent;
+       struct rb_node *parent = *rb_node;
        struct dwarf_fde *fde;
        struct dwarf_cie *cie;
        unsigned long flags;