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Date: Wed, 8 Feb 2017 14:27:31 +0530 From: Anju T Sudhakar <anju@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org Cc: ananth@...ibm.com, naveen.n.rao@...ux.vnet.ibm.com, paulus@...ba.org, srikar@...ux.vnet.ibm.com, benh@...nel.crashing.org, mpe@...erman.id.au, hemant@...ux.vnet.ibm.com, mahesh@...ux.vnet.ibm.com, mhiramat@...nel.org, anju@...ux.vnet.ibm.com Subject: [PATCH 3/3] powerpc: kprobes: fixes for kprobe_lookup_name on BE From: "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com> 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@...ux.vnet.ibm.com> --- arch/powerpc/include/asm/kprobes.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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++; \ -- 2.7.4
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