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powerpc/kprobes: Fixes for kprobe_lookup_name() on BE

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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>
This commit is contained in:
Naveen N. Rao 2017-02-08 14:27:31 +05:30 committed by Michael Ellerman
parent ebfa50df43
commit 30176466e3
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/include/asm/kprobes.h
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@ -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++; \