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Diffstat (limited to 'arch/riscv/kernel/probes')
-rw-r--r--arch/riscv/kernel/probes/kprobes.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/riscv/kernel/probes/kprobes.c b/arch/riscv/kernel/probes/kprobes.c
index 00088dc6da4b..cab6f874358e 100644
--- a/arch/riscv/kernel/probes/kprobes.c
+++ b/arch/riscv/kernel/probes/kprobes.c
@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
+#define pr_fmt(fmt) "kprobes: " fmt
+
#include <linux/kprobes.h>
#include <linux/extable.h>
#include <linux/slab.h>
@@ -50,11 +52,8 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
{
unsigned long probe_addr = (unsigned long)p->addr;
- if (probe_addr & 0x1) {
- pr_warn("Address not aligned.\n");
-
- return -EINVAL;
- }
+ if (probe_addr & 0x1)
+ return -EILSEQ;
/* copy instruction */
p->opcode = *p->addr;
@@ -191,7 +190,7 @@ static int __kprobes reenter_kprobe(struct kprobe *p,
break;
case KPROBE_HIT_SS:
case KPROBE_REENTER:
- pr_warn("Unrecoverable kprobe detected.\n");
+ pr_warn("Failed to recover from reentered kprobes.\n");
dump_kprobe(p);
BUG();
break;