powerpc/kprobes: Fixes for kprobe_lookup_name() on BE
Fix two issues with kprobes.h on BE which were exposed with the
optprobes work:
- one, having to do with a missing include for linux/module.h for
MODULE_NAME_LEN -- this didn't show up previously since the only
users of kprobe_lookup_name were in kprobes.c, which included
linux/module.h through other headers, and
- two, with a missing const qualifier for a local variable which ends
up referring a string literal. Again, this is unique to how
kprobe_lookup_name is being invoked in optprobes.c
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h
index 97b8c1f..77885d8 100644
--- a/arch/powerpc/include/asm/kprobes.h
+++ b/arch/powerpc/include/asm/kprobes.h
@@ -29,6 +29,7 @@
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
+#include <linux/module.h>
#include <asm/probes.h>
#include <asm/code-patching.h>
@@ -61,7 +62,7 @@ typedef ppc_opcode_t kprobe_opcode_t;
#define kprobe_lookup_name(name, addr) \
{ \
char dot_name[MODULE_NAME_LEN + 1 + KSYM_NAME_LEN]; \
- char *modsym; \
+ const char *modsym; \
bool dot_appended = false; \
if ((modsym = strchr(name, ':')) != NULL) { \
modsym++; \